The fauna of the Cannonball marine member of the Lance formation; Corals from the Cannonball marine member of the Lance formation
T. W. Stanton, T.W. Vaughan
1921, Professional Paper 128-A
The origin of the faults, anticlines, and buried "granite ridge" of the northern part of the Mid-Continent oil and gas field
A.E. Fath
1921, Professional Paper 128-C
Lower Miocene Foraminifera of Florida
J.A. Cushman
1921, Professional Paper 128-B
The use of geology on the western front
A. H. Brooks
1921, Professional Paper 128-D
American species of Operculina and Heterostegina and their faunal relations; A new species of Orthophragmina from Louisiana
J.A. Cushman
1921, Professional Paper 128-E
Preliminary report on petroleum in Alaska
George Curtis Martin
1921, Bulletin 719
The microscopic determination of the nonopaque minerals
Esper S. Larsen Jr.
1921, Bulletin 679
Geology of the igneous rocks of Essex County, Massachusetts
C. H. Clapp
1921, Bulletin 704
No abstract available....
The iron-ore resources of Europe
Max Roesler
1921, Bulletin 706
Geology and petroleum resources of northwestern Kern county, California
Walter Atheling English
1921, Bulletin 721
Mineral resources of Alaska: Report on progress of investigations in 1919
Alfred H. Brooks
1921, Bulletin 714
No abstract available....
Contributions to economic geology (short papers and preliminary reports), 1920 : Part II. - Mineral fuels
David White, Marius R. Campbell
1921, Bulletin 716
No abstract available....
Contributions to economic geology (short papers and preliminary reports) 1920.
F. L. Ransome, Hoyt Stoddard Gale, Ernest Francis Burchard
1921, Bulletin 715
Mining developments in the Matanuska coal fields. Lode developments in the Willow Creek district
Theodore Chapin
1921, Bulletin 714-D
No abstract available....
Lode mining in the Juneau and Ketchikan districts. Notes on the Salmon-Unuk River region. Water-power investigations in southeastern Alaska
J.B. Mertie Jr., G. H. Canfield
1921, Bulletin 714-B
No abstract available....
The future of Alaska mining. The Alaskan mining industry in 1919
A. H. Brooks, George Curtis Martin
1921, Bulletin 714-A
No abstract available....
Geology and water resources of the Gila and San Carlos valleys in the San Carlos Indian Reservation, Arizona
A.T. Schwennesen
1921, Water Supply Paper 450-A
Ground water in Pahrump, Mesquite, and Ivanpah valleys, Nevada and California
Gerald A. Waring
1921, Water Supply Paper 450-C
Ground water in Lanfair Valley, California
D. G. Thompson
1921, Water Supply Paper 450-B
Surface water supply of the Pacific slope of southern California
Harry Deyoe McGlashan
1921, Water Supply Paper 447
Records of water levels in wells in southern California
Fred Charles Ebert
1921, Water Supply Paper 468
Surface water supply of the United States, 1917, Part IX, Colorado River basin
Water Resources Division, U.S. Geological Survey
1921, Water Supply Paper 459
Surface water supply of the United States, 1917, Part VI, Missouri River basin
Nathan C. Grover, W.A. Lamb, Robert Follansbee
1921, Water Supply Paper 456
Surface water supply of the United States, 1918, Part VI, Missouri River basin
Water Resources Division, U.S. Geological Survey
1921, Water Supply Paper 476
Surface water supply of the United States, 1917 : Part XII. North Pacific slope drainage basins ; A. Pacific basins in Washington and upper Columbia River basin
Water Resources Division, U.S. Geological Survey
1921, Water Supply Paper 462