T 1940 .D677
|
The Lykins formation of Eastern Colorado / |
1 |
T 1940 .F59
|
Structure of Gallatin Valley, Montana / |
1 |
T 1940 .H658
|
The Morrison and Summerville formations of the Grand River Valley and their vertebrate and invertebrate fauna / |
1 |
T 1940 .M454
|
The geology of the Conger Mine, Boulder County, Colorado / |
1 |
T 1940 .N453
|
Limestone caverns of the Black Hills region of South Dakota / |
1 |
T 1940 .P437
|
The turquoise of Colorado / |
1 |
T 1940 .S749
|
Plant ecology and paleo-ecology of the Creede Valley, Colorado / |
1 |
T 1941 .K755
|
Geology of parts of the Maxwell and Hoosier breccia reefs / |
1 |
T 1941 .R837
|
Ore deposits of the Boulder Falls mining area, Boulder County, Colorado / |
1 |
T 1942 .C878
|
Petrographic studies on the post-Laramie sediments of the Denver Basin, Colorado / |
1 |
T 1942 .G84
|
The geology of the Turtle Mountains of North Dakota and Manitoba / |
1 |
T 1942 .Ob27
|
The grazing industry of Middle Park, Colorado / |
1 |
T 1942 .W852
|
Structure of the "Boulder Arch," Boulder, Colorado / |
1 |
T 1943 .T374
|
The molybdenum industry at Climax, Colorado : a geographic study / |
1 |
T 1946 .3612d
|
The development of education in the Hampton Public Schools, Hampton, Iowa : Clarence Everett Thomas. |
1 |
T 1947 .C355
|
Upper paleozoic stratigraphy of the Masonville-Lyons area, Colorado / |
1 |
T 1947 .C855
|
Geology of the foothills structures west of Loveland, Colorado / |
1 |
T 1947 .D297
|
The origin, age, and correlation of the Ingleside Formation of North Central Colorado / |
1 |
T 1947 .D487
|
The origin of the bog iron deposits near Montezuma, Summit County, Colorado / |
1 |
T 1947 .F877
|
Strand line accumulation of petroleum / |
1 |