1. Map showing altitude of the top of the "Dakota Sandstone," Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Lakewood, Colorado : Open-File Services Section, Western Distribution Branch, USGS Format: Map Access & Availability: Loading
2. Map showing altitude of the top of the Eagle Sandstone, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
3. Map showing altitude of the top of the Fox Hills-Lower Hell Creek aquifer, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
4. Map showing altitude of the top of the Judith River Formation, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
5. Map showing altitude of the top of the Lakota Formation and equivalent rocks, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
6. Map showing altitude of the top of the Swift Formation, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
7. Map showing cumulative thickness of sandstone in the "Dakota Sandstone," Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
8. Map showing cumulative thickness of sandstone in the Eagle Sandstone and Telegraph Creek Formation, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
9. Map showing cumulative thickness of sandstone in the Fox Hills-Lower Hell Creek aquifer, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
10. Map showing cumulative thickness of sandstone in the Judith River Formation, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
11. Map showing cumulative thickness of sandstone in the Lakota Formation and equivalent rocks, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
12. Map showing cumulative thickness of sandstone in the Swift Formation, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
13. Map showing total thickness of the "Dakota Sandstone," Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
14. Map showing total thickness of the Eagle Sandstone and Telegraph Creek Formation, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
15. Map showing total thickness of the Fox Hills-Lower Hell Creek aquifer, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
16. Map showing total thickness of the Judith River Formation, Montana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
17. Map showing total thickness of the Lakota Formation and equivalent rocks, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
18. Map showing total thickness of the Swift Formation, Montana Author/Creator: Feltis, R. D. 1930- (Richard D.), author Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
19. Map showing water-table conditions and stream-aquifer interaction in the Hunt-Annaquatucket-Pettaquamscutt Aquifer, central Rhode Island, October 7-9, 1996 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Marlborough, Massachusetts : U.S. Department of the Interior, U.S. Geological Survey, 1997 Format: Map Access & Availability: Loading
20. Maps showing altitude of the potentiometric surface and changes in water level of the Sparta sand and Memphis sand aquifers in Eastern Arkansas, spring 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Ark. : U.S. Geological Survey, [1985] Format: Map Access & Availability: Loading