Geologic map of the Portage Quadrangle, Cascade and Choteau counties, Montana
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IMAP↗
Geology topics
R. W. Lemke
Publications and source records attributed to R. W. Lemke.
Engineering geology of the city of Great Falls and vicinity, Montana
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IMAP↗
Type sections and stratigraphy of the members of the Blackleaf and Marias River formations (Cretaceous) of the Sweetgrass arch, Montana
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Professional Paper↗
Preliminary glacial map of North Dakota
Data used for map compilation based in part upon maps listed below with modifications by the authors. Data for remaining areas from aerial photographs and reconnaissance studies by the authors.
North Dakota↗
Stratigraphy and structure of the Rainier and USGS Tunnel areas, Nevada Test Site
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Professional Paper↗
Glacial map of Montana east of the Rocky Mountains
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IMAP↗
Geology of the Souris River area, North Dakota
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Professional Paper↗
Geology of the USGS and Ranier Tunnel areas, Nevada Test Site
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Open-File Report↗
Topography of the pre-Pleistocene bedrock surface, Souris River area, North Dakota
No abstract available.
North Dakota↗
Mica deposits of the southeastern Piedmont, Part 3, Ridgeway-Sandy Ridge district, Virginia and North Carolina; Part 4, Outlying deposits in Virginia
No abstract available.
North Carolina, Virginia↗
Newly discovered outcrops of the Cannonball formation in North Dakota
No abstract available.
North Dakota↗
Friendship No. 1 mica mine, Randolph County, Alabama
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Open-File Report↗
North Carolina mica mines
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Open-File Report↗
Preliminary geologic map of part of the Levias-Crittenden Spring fault system, Crittenden County, Kentucky
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Open-File Report↗