Category:USGS PP 50B Posted by CLIght
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Fred. H. H. Calhoun Sr.; The Montana Lobe of the Keewatin Ice Sheet; Professional Paper No 50 Series B, Descriptive Geology, 79; Department of the Interior, United States Geological Survey, Charles D. Walcott, Director; Washington, D.C.; Government Printing Office; 1906
Media in category "USGS PP 50B Posted by CLIght"
The following 31 files are in this category, out of 31 total.
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Fig 1 Section of frontal range of Canadian Rocky Mtns.jpg 1,428 × 280; 66 KB
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Fig 10 Section showing the pre-Glacial valley.jpg 1,503 × 1,008; 238 KB
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Fig 11 Cross section showing the drift in the valley.jpg 1,432 × 314; 55 KB
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Fig 12 Map showing the pre-Glacial course of the Missouri.jpg 1,430 × 1,256; 138 KB
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Fig 13 Relations of the post-Glacial and pre-Glacial channels.jpg 1,410 × 988; 94 KB
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Fig 14 Map showing outlines of the great pre-glacial valley.jpg 1,457 × 1,265; 126 KB
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Fig 15 Map of the vicinity of Havre.jpg 1,533 × 934; 142 KB
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Fig 16 Map showing pre-Glacial river system.jpg 1,438 × 1,085; 171 KB
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Fig 17 Map showing drainage of no Montana.jpg 1,448 × 1,066; 203 KB
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Fig 18 May showing drainage of Northern Montana.jpg 1,449 × 998; 175 KB
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Fig 19 Map showing post-Glacial drainage system.jpg 1,407 × 1,048; 208 KB
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Fig 2 Section of frontal range of Rocky Mountains (49th parallel).jpg 1,416 × 284; 40 KB
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Fig 20 Cross section of the Shonkin Sag.jpg 1,426 × 372; 55 KB
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Fig 21 Section across the Shonkin Sag, Montana.jpg 1,380 × 316; 52 KB
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Fig 22 Sketch map showing how the Shonkin Sag.jpg 1,417 × 989; 123 KB
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Fig 23 Map showing in detail how the Missouri was forced.jpg 1,401 × 1,013; 115 KB
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Fig 24 Longitudinal profiles of Judith River and Dog Creek.jpg 1,454 × 332; 53 KB
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Fig 25 Section of Birch Creek.jpg 346 × 786; 92 KB
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Fig 26 Section near mouth of Dupuyer Creek.jpg 468 × 913; 101 KB
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Fig 27 Section of Two Medicine Creek.jpg 418 × 986; 95 KB
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Fig 28 Section of the Two Medicine.jpg 454 × 1,235; 137 KB
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Fig 29 Section of St Mary's River.jpg 414 × 1,053; 118 KB
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Fig 3 Ideal cross section showing relations.jpg 1,453 × 232; 62 KB
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Fig 30 Section of St Mary River.jpg 368 × 1,283; 124 KB
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Fig 31 Section on Belly River.jpg 424 × 1,047; 110 KB
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Fig 4 Ideal longitudinal section showing relation.jpg 1,453 × 272; 60 KB
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Fig 5 Section showing the relation of lacustrine clays.jpg 688 × 382; 80 KB
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Fig 6 Section on Belt Creek.jpg 1,429 × 320; 82 KB
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Fig 9 Valley of the Missouri.jpg 1,345 × 807; 66 KB
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