The objectives of the geologic mapping program at MBMG are:
- map the geology of Montana, at various scales;
- prepare a new geologic map of Montana at the 1:500,000 scale;
- establish digital geologic map databases for the State; and
- publish geologic maps as open-file reports and formal publications, in digital and/or hard-copy format.
Quadrangle Maps—1:100,000 and 1:250,000 scale
— Preparation of 1:100,000-scale geologic map coverage for the State, available in digital form (see above index of completed maps).
— Preparation of geologic maps at the 1:50,000 or larger scale, available digitally, for areas of the State where population growth, resources, and environmental concerns are most critical, or where detailed geologic mapping is required to address regional geologic problems (see Special Focus Map and EDMAP projects).
— Preparation of new geologic map of Montana at 1:500,000.
STATEMAP Program. Administered by the U.S. Geological Survey as a part of the National Geologic Mapping Act of 1992.
— This program, available to all State geologic surveys, provides for annual competitive proposals for support of geologic mapping projects. MBMG has participated successfully in this program and its precursor programs since 1987. Proposed mapping projects are determined by geologists in the public and private sectors of the State. Proposed projects are related to the current objectives of MBMG's mapping program.
EDMAP Program. Administered by the U.S. Geological Survey as a part of the National Geologic Mapping Act of 1992.
— This program is available to all colleges and universities in the United States, and provides for annual competitive proposals for support of senior- and graduate-level geologic field mapping theses and dissertations. Proposals for thesis work in Montana are coordinated with MBMG's mapping program objectives.
Completed geologic maps are available as paper hardcopies and downloadable PDF files. For all 1:100,000-scale maps and some larger-scale maps, the digital data are also available. USGS 1:250,000-scale maps are available in hard copy from the USGS or from MBMG. Digital data for USGS-produced maps are available from the USGS.