Ralph Jackson Roberts
1940, Bulletin 922-E
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Publication Extents
Not all publications have extents, not all extents are completely accurateW. Ayzavoglou (compiler)
1940, Bulletin 915-A
W. Ayzavoglou (compiler)
1940, Bulletin 915-B
W. Ayzavoglou (compiler)
1940, Bulletin 915-D
Edwin Thor McKnight
1940, Bulletin 908
The area described in this report comprises about 900 square miles of arid land lying between the Green and Colorado Rivers south of the Denver & Rio Grande Western Railroad and southwest of the Salt Valley anticline. The rocks that crop out or that have been encountered in wells drilled...
Water Resources Division, U.S. Geological Survey
1940, Water Supply Paper 881
W. Ayzavoglou (compiler)
1940, Bulletin 915-C
N. W. Bass
1940, Open-File Report 40-10
C. G. Paulsen, D.H. Barber, H.C. Beckman, C.E. Ellsworth, Robert Follansbee, Berkeley Johnson, J.L. Saunders, C.E. McCashin, J.B. Spiegel, F. M. Veatch
1940, Water Supply Paper 877
Water Resources Division, U.S. Geological Survey
1940, Water Supply Paper 862
Wilbur S. Burbank
1940, Bulletin 906-E
N. H. Darton
1940, Professional Paper 193-D
Garn A. Rynearson, Clay Taylor Smith
1940, Bulletin 922-J
John Beaver Mertie Jr.
1940, Bulletin 918
Leland Keith Wenzel
1940, Water Supply Paper 836-E
W. Ayvazoglou (compiler)
1940, Bulletin 915
Donald Edward White
1940, Bulletin 922-K
W. Ayvazoglou (compiler)
1940, Bulletin 925-A
Maxwell Naylor Short
1940, Bulletin 914
Thomas Prence Thayer
1940, Bulletin 922-D
Donald Edward White
1940, Bulletin 922-I
Water Resources Division, U.S. Geological Survey
1940, Open-File Report 40-9
Division Of Wildlife Research
1940, Wildlife Leaflet 170
J.B. Mertie Jr.
1940, Geological Society of America Bulletin (51) 1107-1134
Folded rocks having bedding surfaces which are approximately parallel are said to lie in parallel folds. Utilizing the principle of evolutes and involutes, the author offers a more precise definition of parallel folds and points out inconsistencies in other concepts. With the idea of classifying parallel folds and possibly of...
L.L. Ray
1940, Geological Society of America Bulletin (51) 1851-1917
In order to extend the chronology and validate the five substages of the Wisconsin glaciation recognized in the Cache la Poudre Valley in the Colorado Front Range, a reconnaissance was made of the Southern Rocky Mountains, from southern Wyoming to Santa Fe, New Mexico. The chronology determined in the Cache...