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Encyclopedia > Crater Lake National Park
Crater Lake National Park
IUCN Category II (National Park)
Location of Crater Lake in southwest Oregon
Location Oregon, USA
Nearest city Medford
Coordinates 42°56′0″N 122°07′0″W / 42.93333, -122.11667
Area 183,224 acres (741.48 km²)
Established May 22, 1902
Total visitation 388,972 (in 2006)
Governing body National Park Service
Image:CraterLake Oregon USA.jpg
Crater Lake with Wizard Island

Crater Lake National Park is a United States National Park located in Southern Oregon whose primary feature is Crater Lake. It was established on May 22, 1902 as the fifth National Park in the U.S.[1] The park encompasses Crater Lake's caldera, which rests in the remains of a destroyed volcano posthumously called Mount Mazama. The lake is 1,958 feet (597 m) deep at its deepest point, which makes it the deepest lake in the United States and the seventh deepest anywhere in the world. The caldera rim ranges in elevation from 7000 to 8000 feet (2100 to 2400 m). The average elevation of the lake itself is 6178 ft (1883 m). The park covers 286 mi² (741 km²). Crater Lake has no streams flowing into or out of it. The lake's water regularly has a striking blue hue. The World Conservation Union or International Union for the Conservation of Nature and Natural Resources (IUCN) is an international organization dedicated to natural resource conservation. ... Banff National Park, Alberta, Canada A national park is a reserve of land, usually, but not always (see National Parks of England and Wales), declared and owned by a national government, protected from most human development and pollution. ... Image File history File links Red_pog. ... Image File history File links US_Locator_Blank. ... Official language(s) (none)[1] Capital Salem Largest city Portland Area  Ranked 9th  - Total 98,466 sq mi (255,026 km²)  - Width 260 miles (420 km)  - Length 360 miles (580 km)  - % water 2. ... Official language(s) (none)[1] Capital Salem Largest city Portland Area  Ranked 9th  - Total 98,466 sq mi (255,026 km²)  - Width 260 miles (420 km)  - Length 360 miles (580 km)  - % water 2. ... Motto: The Center of the Rogue Valley Location in Oregon Coordinates: , Country United States State Oregon County Jackson County Incorporated February 24, 1885 Government  - Mayor Gary Wheeler Area  - City  21. ... is the 142nd day of the year (143rd in leap years) in the Gregorian calendar. ... 1902 (MCMII) was a common year starting on Wednesday (see link for calendar). ... The National Park Service (NPS) is the United States federal agency that manages all National Parks, many National Monuments, and other conservation and historical properties with various title designations. ... The parks of the United States National Park system are one type of protected area in the United States and are operated by the U.S. National Park Service. ... Official language(s) (none)[1] Capital Salem Largest city Portland Area  Ranked 9th  - Total 98,466 sq mi (255,026 km²)  - Width 260 miles (420 km)  - Length 360 miles (580 km)  - % water 2. ... A crater lake that simply goes by the name Crater Lake, in Oregon, USA Heaven Lake (Chonji / Tianchi), North Korea / China Cuicocha, Ecuador Lake formed after 1991 eruption of Mount Pinatubo, Philippines Mount Katmai, Alaska, USA Mount Wenchi crater lake, Ethiopia Nemrut, Turkey Volcán Irazú, Costa Rica This page... 1902 (MCMII) was a common year starting on Wednesday (see link for calendar). ... Motto: (Out Of Many, One) (traditional) In God We Trust (1956 to date) Anthem: The Star-Spangled Banner Capital Washington D.C. Largest city New York City None at federal level (English de facto) Government Federal constitutional republic  - President George Walker Bush (R)  - Vice President Dick Cheney (R) Independence from... Satellite image of Santorini. ... For other uses, see Volcano (disambiguation). ... Mount Mazama is a destroyed stratovolcano in the Oregon part of the Cascade Volcanic Belt and the Cascade Range. ... Blowdown Lake in the mountains near Pemberton, British Columbia A lake (from Latin lacus) is a body of water or other liquid of considerable size contained on a body of land. ...

Contents

Geology

For more details on this topic, see Mount Mazama.
Relief map of the Crater Lake area
Relief map of the Crater Lake area

Volcanic activity in the area is fed by subduction off the coast of Oregon as the Juan de Fuca Plate slips below the North American Plate (see plate tectonics). Heat and compression generated by this movement has created a mountain chain topped by a series of volcanoes, which together are called the Cascade Range. The large volcanoes in the range are called the High Cascades. However, there are many other volcanoes in the range as well, most of which are much smaller. Mount Mazama is a destroyed stratovolcano in the Oregon part of the Cascade Volcanic Belt and the Cascade Range. ... Download high resolution version (600x757, 109 KB)USGS image from [1] File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Download high resolution version (600x757, 109 KB)USGS image from [1] File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... The Juan de Fuca plate sinks below the North America plate at the Cascadia subduction zone. ... A map of the Juan de Fuca Plate The Juan de Fuca Plate, named after the explorer, is a tectonic plate arising from the Juan de Fuca Ridge, and subducting under the northerly portion of the western side of the North American Plate. ...  The North American plate, shown in brown The North American Plate is a tectonic plate covering most of North America, extending eastward to the Mid-Atlantic Ridge and westward to the Cherskiy Range in East Siberia. ... The tectonic plates of the world were mapped in the second half of the 20th century. ... The most general definition of mountain range is a group of mountains bordered by lowlands. ... Mount Jefferson in Oregon. ...


About 400,000 years ago, Mount Mazama began life in much the same way as the other mountains of the High Cascades, as overlapping shield volcanoes. Over time, alternating layers of lava flows and pyroclastic flows built Mazama's overlapping cones until it reached about 11000 feet (3400 m) in height. Mount Mazama is a destroyed stratovolcano in the Oregon part of the Cascade Volcanic Belt and the Cascade Range. ... Shield volcano A shield volcano is a large volcano with shallowly-sloping sides. ... Look up lava, Aa, pahoehoe in Wiktionary, the free dictionary. ... Pyroclastic flows sweep down the flanks of Mayon Volcano, Philippines, in 1984 Pyroclastic flows are a common and devastating result of some volcanic eruptions. ...


As the young stratovolcano grew, many smaller volcanoes and volcanic vents were built in the area of the park and just outside what are now the park's borders. Chief among these were cinder cones. Although the early examples are gone—cinder cones erode easily—there are at least 13 much younger cinder cones in the park, and at least another 11 or so outside its borders, that still retain their distinctive cinder cone appearance. There continues to be debate as to whether these minor volcanoes and vents were parasitic to Mazama's magma chamber and system or if they were related to background Oregon Cascade volcanism. A cutaway diagram of a stratovolcano Mount Damavand, a stratovolcano in Māzandarān, Iran Mount St. ... PuÊ»u ʻŌʻō, a cinder-and-spatter cone on KÄ«lauea, HawaiÊ»i Volcanic cones are among the simplest volcano formations in the world. ... This article does not cite any references or sources. ... A magma chamber is a chamber typically between 1 km and 10 km beneath the surface of the Earth formed as rising magma forms a reservoir if it is unable to rise any further. ...


After a period of dormancy, Mazama became active again. Then, around 4860 BC, Mazama collapsed into itself during a tremendous volcanic eruption, losing 2500 to 3500 feet (760 to 1100 m) in height. The eruption formed a large caldera that was later filled with a deep blue lake known today as Crater Lake. This article is about volcanoes in geology. ... Satellite image of Santorini. ... A crater lake that simply goes by the name Crater Lake, in Oregon, USA Heaven Lake (Chonji / Tianchi), North Korea / China Cuicocha, Ecuador Lake formed after 1991 eruption of Mount Pinatubo, Philippines Mount Katmai, Alaska, USA Mount Wenchi crater lake, Ethiopia Nemrut, Turkey Volcán Irazú, Costa Rica This page...


The eruptive period that decapitated Mazama also laid waste to much of the greater Crater Lake area and deposited ash as far east as the northwest corner of what is now Yellowstone National Park, as far south as central Nevada, and as far north as southern British Columbia. It produced more than 150 times as much ash as the May 18, 1980 eruption of Mount St. Helens. Ash plume from Mt Cleveland, a stratovolcano Diamond Head, a well-known backdrop to Waikiki in Hawaii, is an ash cone that solidified into tuff Volcanic ash consists of very fine rock and mineral particles less than 2 mm in diameter that are ejected from a volcanic vent. ... Yellowstone National Park is the centerpiece of the Greater Yellowstone Ecosystem, the largest intact ecosystem in the Earths northern temperate zone. ... Official language(s) English Capital Carson City Largest city Las Vegas Area  Ranked 7th  - Total 110,567 sq mi (286,367 km²)  - Width 322 miles (519 km)  - Length 490 miles (788 km)  - % water 0. ... Motto: Splendor Sine Occasu (Latin: Splendour without diminishment) Capital Victoria Largest city Vancouver Official languages English Government - Lieutenant-Governor Iona Campagnolo - Premier Gordon Campbell (BC Liberal) Federal representation in Canadian Parliament - House seats 36 - Senate seats 6 Confederation July 20, 1871 (6th province) Area  Ranked 4th - Total 944,735 km... is the 138th day of the year (139th in leap years) in the Gregorian calendar. ... The 1980 eruption of Mount St. ...


Park features

An aerial view of Crater Lake
An aerial view of Crater Lake

Some notable park features created by this huge eruption are: Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ...

  • The Pumice Desert: A very thick layer of pumice and ash leading away from Mazama in a northerly direction. Even after thousands of years, this area is largely devoid of plants due to excessive porosity (meaning water drains through quickly) and poor soil composed primarily of regolith.
  • The Pinnacles: When the very hot ash and pumice came to rest near the volcano, it formed 200 to 300-foot (60 to 90 m) thick gas-charged deposits. For perhaps years afterward, hot gas moved to the surface and slowly cemented ash and pumice together in channels and escaped through fumaroles. Erosion later removed most of the surrounding loose ash and pumice, leaving tall pinnacles and spires.

Other park features: // Specimen of highly porous pumice from Teide volcano on Tenerife, Canary Islands. ... Divisions Green algae Chlorophyta Charophyta Land plants (embryophytes) Non-vascular plants (bryophytes) Marchantiophyta—liverworts Anthocerotophyta—hornworts Bryophyta—mosses Vascular plants (tracheophytes) †Rhyniophyta—rhyniophytes †Zosterophyllophyta—zosterophylls Lycopodiophyta—clubmosses †Trimerophytophyta—trimerophytes Pteridophyta—ferns and horsetails Seed plants (spermatophytes) †Pteridospermatophyta—seed ferns Pinophyta—conifers Cycadophyta—cycads Ginkgophyta—ginkgo Gnetophyta—gnetae Magnoliophyta—flowering plants... Impact from a water drop causes an upward rebound jet surrounded by circular capillary waves. ... Loess field in Germany Surface-water-gley developed in glacial till, Northern Ireland Technically, soil forms the pedosphere: the interface between the lithosphere (rocky part of the planet) and the biosphere, atmosphere, and hydrosphere. ... Regolith (Greek: blanket rock) is a layer of loose, heterogeneous material covering solid rock. ... This article does not cite any references or sources. ... Sulfur deposits near a fumarole A fumarole (Latin fumus, smoke) is an opening in Earths (or any other astronomical bodys) crust, often in the neighborhood of volcanoes, which emit steam and gases such as carbon dioxide, sulfur dioxide, hydrochloric acid, and hydrogen sulfide. ... Severe soil erosion in a wheat field near Washington State University, USA. For erosion as an operation of Mathematical morphology, see Erosion (morphology) Erosion is displacement of solids (soil, mud, rock and other particles) by the agents of ocean currents, wind, water, or ice by downward or down-slope movement...

  • Mount Scott is a steep andesitic cone whose lava came from magma from Mazama's magma chamber; geologists call such volcano a "parasitic" or "satellite" cone. Volcanic eruptions apparently ceased on Scott sometime before the end of the Pleistocene; one remaining large cirque on Scott's northwest side was left unmodified by post-ice age volcanism.
  • In the southwest corner of the park stands Union Peak, an extinct volcano whose primary remains consist of a large volcanic plug, which is lava that solidified in the volcano's neck.
  • Crater Peak is a shield volcano primarily made of andesite and basalt lava flows topped by andesitic and dacite tephra.
  • Timber Crater is a shield volcano located in the northeast corner of the park. Like Crater Peak, it is made of basaltic and andesitic lava flows, but, unlike Crater, it is topped by two cinder cones.
  • Rim Drive is the most popular road in the park; it follows a scenic route around the caldera rim.

A sample of andesite (dark groundmass) with amygdaloidal vesicules filled with zeolite. ... Look up lava, Aa, pahoehoe in Wiktionary, the free dictionary. ... Magma is molten rock located beneath the surface of the Earth (or any other terrestrial planet), and which often collects in a magma chamber. ... A magma chamber is a chamber typically between 1 km and 10 km beneath the surface of the Earth formed as rising magma forms a reservoir if it is unable to rise any further. ... The Pleistocene epoch (IPA: ) on the geologic timescale is the period from 1,808,000 to 11,550 years BP. The Pleistocene epoch had been intended to cover the worlds recent period of repeated glaciations. ... A cirque is an amphitheatre-like valley of glacial origin, formed by glacial erosion at the head of the glacier. ... Variations in CO2, temperature and dust from the Vostok ice core over the last 400 000 years For the animated movie, see Ice Age (movie). ... Shield volcano A shield volcano is a large volcano with shallowly-sloping sides. ... Basalt Basalt (IPA: ) is a common gray to black extrusive volcanic rock. ... Gray, red, black, altered white/tan, flow-banded pumice dacite poop Dacite (IPA: ) is a high-silica igneous, volcanic rock. ... Mountain road with hairpin turns in the French Alps For other uses, see Road (disambiguation). ...

History

Another aerial view of Crater Lake
Another aerial view of Crater Lake

Local Native Americans witnessed the collapse of Mount Mazama and kept the event alive in their legends. One ancient legend of the Klamath people closely parallels the geologic story which emerges from today's scientific research. The legend tells of two Chiefs, Llao of the Below World and Skell of the Above World, pitted in a battle which ended up in the destruction of Llao's home, Mt. Mazama.[2] The battle was witnessed in the eruption of Mt. Mazama and the creation of Crater Lake. Image File history File links Download high-resolution version (3072x2304, 4684 KB) Aerial view, Crater Lake, Wizard Island, and Mount Scott, as seen from the west. ... Image File history File links Download high-resolution version (3072x2304, 4684 KB) Aerial view, Crater Lake, Wizard Island, and Mount Scott, as seen from the west. ... A Sioux in traditional dress including war bonnet, circa 1908. ... Mount Mazama is a destroyed stratovolcano in the Oregon part of the Cascade Volcanic Belt and the Cascade Range. ... For other uses, see Legendary (disambiguation). ... This article is in need of attention from an expert on the subject. ... This article is being considered for deletion in accordance with Wikipedias deletion policy. ...


The first known European American to visit the lake were a trio of gold prospectors: John Wesley Hillman, Henry Klippel, and Issac Skeeters who, on June 12, 1853, stumbled upon the long, sloping mountain while looking for a lost mine. Stunned by vibrant blue color of the lake, they named the indigo body of water "Deep Blue Lake" and the place on the southwest side of the rim where he first saw the lake later became known as Discovery Point.[1] But gold was more on the minds of settlers at the time and the discovery was soon forgotten. The suggested name later fell out of favor by locals, who preferred the name Crater Lake, although crater is a misnomer because the lake's basin is in fact a caldera, a volcanic feature that forms from subsidence, not from excavation. European American is a term for an American of European descent, who are usually referred as White or Caucasian. ... General Name, Symbol, Number gold, Au, 79 Chemical series transition metals Group, Period, Block 11, 6, d Appearance metallic yellow Standard atomic weight 196. ... the known guy who first discovered crater lake ... is the 163rd day of the year (164th in leap years) in the Gregorian calendar. ... 1853 was a common year starting on Saturday (see link for calendar). ... Chuquicamata, the second largest open pit copper mine in the world, Chile. ... Indigo is the color on the spectrum between about 450 and 420 nm in wavelength, placing it between blue and violet. ... Craters on Mount Cameroon Perhaps the most conspicuous part of a volcano is the crater, a basin of a roughly circular form within which occurs a vent (or vents) from which magma erupts as gases, lava, and ejecta. ... Satellite image of Santorini. ...


William Gladstone Steel devoted his life and fortune to the establishment and management of a national park (US) at Crater Lake. His preoccupation with the lake began in 1870. In his efforts to bring recognition to the park, he participated in lake surveys that provided scientific support. He named many of the lake's landmarks, including Wizard Island, Llao Rock, and Skell Head. Many consider William Gladstone Steel the father of Crater Lake National Park in the U.S. state of Oregon. ... Wizard Island lies in Crater Lake. ...


With the help of geologist Clarence Dutton, Steel organized a USGS expedition to study the lake in 1886. The party carried the Cleetwood, a half-ton survey boat, up the steep slopes of the mountain then lowered it to the lake. From the stern of the Cleetwood, a piece of pipe on the end of a spool of piano wire sounded the depth of the lake at 168 different points. Their deepest sounding, 1,996 feet, was very close to the modern official depth of 1,932 feet (made in 1953 by sonar).[1] At the same time, a topographer surveyed the area and created the first professional map of the Crater Lake area. The United States Geological Survey (USGS) is a scientific agency of the United States government. ... Piano wire is a specialized type of wire made for use in piano and other musical instrument strings, as well as many other purposes. ... The F70 type frigates (here, La Motte-Picquet) are fitted with VDS (Variable Depth Sonar) type DUBV43 or DUBV43C towed sonars SONAR (SOund Navigation And Ranging) â€” or sonar â€” is a technique that uses sound propagation under water (primarily) to navigate, communicate or to detect other vessels. ... Topography, a term in geography, has come to refer to the lay of the land, or the physiogeographic characteristics of land in terms of elevation, slope, and orientation. ... For the acronyms, see MAP and MAPS. A map is a symbolized depiction of a space which highlights relations between components (objects, regions, themes) of that space. ...


Partly based on data from the expedition and lobbying from Steel and others, Crater Lake National Park was established May 22, 1902 by President Theodore Roosevelt. And because of Steel's involvement, Crater Lake Lodge was opened in 1915 and the Rim Drive was completed in 1918.[1] is the 142nd day of the year (143rd in leap years) in the Gregorian calendar. ... 1902 (MCMII) was a common year starting on Wednesday (see link for calendar). ... Theodore Roosevelt, Jr. ...

Oregon quarter
Oregon quarter

Highways were later built to the park to help facilitate visitation. The 1929 edition of O Ranger! described access and facilities available by then: Download high resolution version (1167x1189, 151 KB) Wikipedia does not have an article with this exact name. ... Download high resolution version (1167x1189, 151 KB) Wikipedia does not have an article with this exact name. ... This article or section does not cite any references or sources. ...

“ Crater Lake National Park is reached by train on the Southern Pacific Railroad lines into Medford and Klamath Falls, at which stops motor stages make the short trip to the park. A hotel on the rim of the lake offers accommodations. For the motorist, the visit to the park is a short side trip from the Pacific and Dalles-California highways. He will find, in addition to the hotel, campsites, stores, filling stations. The park is open to travel from late June or July 1 for as long as snow does not block the roads, generally until October.[3] ”

The Southern Pacific Railroad (AAR reporting marks SP) was an American railroad. ... Motto: The Center of the Rogue Valley Location in Oregon Coordinates: , Country United States State Oregon County Jackson County Incorporated February 24, 1885 Government  - Mayor Gary Wheeler Area  - City  21. ... Klamath Falls, is a city in Klamath County, Oregon, United States. ... For other uses, see Bus (disambiguation). ... Drawing of US 99 through California. ... United States Highway 97 is a major north-south United States highway in the western United States. ... This article does not cite any references or sources. ...

Activities

There are many hiking trails inside the park, and several campgrounds. Unlicensed fishing is allowed without limitation of size, species or number. The lake is believed to have no indigenous fish, but were introduced beginning in 1888 until fish stocking ended in 1941. Kokanee Salmon (Oncorhynchus nerka) and Rainbow Trout (Oncorhynchus mykiss) now thrive naturally.[4] Swimming is allowed in the lake, and boat tours operate daily during the summer which stops at Wizard Island, a cinder cone inside the lake. All lake access is from Cleatwood Trail, a steep walking trail. Two hikers in the Mount Hood National Forest Eagle Creek hiking Hiking is a form of walking, undertaken with the specific purpose of exploring and enjoying the scenery. ... Wizard Island lies in Crater Lake. ...


Observation points along the caldera rim are easily accessible by car via Rim Drive, which is 33 miles (53 km) in length and has an elevation gain of 3800 feet (1158 m). The best vantage point, however, is from Mt. Scott, 8929 feet (2721 m). Getting there requires a fairly steep 2.5 mile (4 km) hike from the Rim Drive trailhead. On a clear day from Mt. Scott's summit, visibility exceeds 100 miles (160 km) and can, in one single view, take in the entire caldera. Also visible from this point are the white peaked High Cascade volcanoes to the north, the Columbia River Plateau to the east, and the Western Cascades and the more distant Klamath Mountains to the west. Karl Benzs Velo model (1894) - entered into the first automobile race An automobile or motor car (usually shortened to just car) is a wheeled passenger vehicle that carries its own motor. ... Mount Scott is a small stratovolcano on the southeast flank of Crater Lake in southern Oregon. ... Mount Jefferson in Oregon. ... For other uses, see Volcano (disambiguation). ... The Columbia River Plateau is shown in green on this map. ... The Trinity Alps near Granite Lake in July 2005 Rogue River Gorge, Oregon The Klamath Mountains, sometimes called the salmon mountains, are a rugged lightly populated mountain range in northwest California and southwest Oregon, the highest peaks being Mount Eddy (6 ft / 2 m) in Siskiyou County, California, Thompson peak...


Crater Lake's features are fully accessible during the summer months: heavy snow in the park during the fall, winter, and spring forces road and trail closures, including popular Rim Drive (which is generally open from July to October).


See also

A crater lake that simply goes by the name Crater Lake, in Oregon, USA Heaven Lake (Chonji / Tianchi), North Korea / China Cuicocha, Ecuador Lake formed after 1991 eruption of Mount Pinatubo, Philippines Mount Katmai, Alaska, USA Mount Wenchi crater lake, Ethiopia Nemrut, Turkey Volcán Irazú, Costa Rica This page... Mount Mazama is a destroyed stratovolcano in the Oregon part of the Cascade Volcanic Belt and the Cascade Range. ... All United States parks designated National Parks and most National Monuments are maintained by the United States National Park Service which also maintains several other types of protected areas of the United States: Acadia National Park Arches National Park Badlands National Park Big Bend National Park Biscayne National Park Black... National Park Service Rustic is a style of architecture that arose in the United States National Park System to create buildings that harmonized with their natural environment. ...

References

Satellite view of Crater Lake
Satellite view of Crater Lake
  1. ^ a b c d National Park Service website for Crater Lake. Retrieved on 2006-08-18.
  2. ^ National Parks Service. Park History. Retrieved on 2006-08-18.
  3. ^ Albright, Horace M.; Frank J. Taylor [1928]. Oh, Ranger!, illustrated by Ruth Taylor White, Centennial, Riverside, Connecticut: The Chatham Press, Inc.. Retrieved on 2006-08-18. 
  4. ^ Fish and Fishing at Crater Lake National Park. U.S. National Park Service. Retrieved on 2006-08-18.
? This article or section includes a list of works cited or a list of external links, but its
sources remain unclear because it lacks in-text citations.
You can improve this article by introducing more precise citations.
  • Rick Harmon, Crater Lake National Park: A History (Corvallis: Oregon State University Press, 2002). ISBN 0-87071-537-2
  • Stephen L. Harris, Fire Mountains of the West: The Cascade and Mono Lake Volcanoes (Missoula: Mountain Press Publishing Company, 1988). ISBN 0-87842-220-X
  • Ann G. Harris, Esther Tuttle, Sherwood D. Tuttle, Geology of National Parks: Fifth Edition (Iowa: Kendall/Hunt Publishing, 1997). ISBN 0-7872-5353-7

Image File history File links Size of this preview: 401 × 599 pixelsFull resolution (669 × 1000 pixel, file size: 87 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links Size of this preview: 401 × 599 pixelsFull resolution (669 × 1000 pixel, file size: 87 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Year 2006 (MMVI) was a common year starting on Sunday (link displays full 2006 calendar) of the Gregorian calendar. ... is the 230th day of the year (231st in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday (link displays full 2006 calendar) of the Gregorian calendar. ... is the 230th day of the year (231st in leap years) in the Gregorian calendar. ... Year 2006 (MMVI) was a common year starting on Sunday (link displays full 2006 calendar) of the Gregorian calendar. ... is the 230th day of the year (231st in leap years) in the Gregorian calendar. ... The National Park Service (NPS) is the United States government agency that deals with U.S. National Parks and U.S. National Monuments. ... Year 2006 (MMVI) was a common year starting on Sunday (link displays full 2006 calendar) of the Gregorian calendar. ... is the 230th day of the year (231st in leap years) in the Gregorian calendar. ... Image File history File links This is a lossless scalable vector image. ...

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