The purpose of the Minerals Management Service (MMS), as part of the U.S. Department of the Interior, is to manage the mineral resources on the nation's Outer Continental Shelf in an environmentally sound and safe manner, and to collect, verify, and distribute, in a timely fashion, mineral revenues generated from Federal (onshore and offshore) and Indian lands. MMS manages two very important programs, the Offshore Minerals Management Program and the Royalty Management Program. Image File history File links Download high resolution version (750x750, 104 KB) Summary Minerals Management Service seal. ... The United States Department of the Interior (DOI) is a Cabinet department of the United States government that manages and conserves most federally-owned land. ... This article is about minerals in the geologic sense; for nutrient minerals see dietary mineral; for the band see Mineral (band). ...