Contributions to economic geology, 1920, Part II, Mineral fuels--The Lance Creek oil and gas field, Niobrara County, Wyoming
E.T. Hancock
1921, Bulletin 716-E
Geology and petroleum resources of northwestern Kern county, California
Walter Atheling English
1921, Bulletin 721
Shorter contributions to general geology, 1920
Water Resources Division, U.S. Geological Survey
1921, Professional Paper 128
The iron-ore resources of Europe
Max Roesler
1921, Bulletin 706
Lower Miocene Foraminifera of Florida
J.A. Cushman
1921, Professional Paper 128-B
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
The use of geology on the western front
A. H. Brooks
1921, Professional Paper 128-D
Preliminary report on petroleum in Alaska
George Curtis Martin
1921, Bulletin 719
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
Surface water supply of the Pacific slope of southern California
Harry Deyoe McGlashan
1921, Water Supply Paper 447
Mining in Chitina Valley
F. H. Moffit
1921, Bulletin 714-C
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....
Contributions to economic geology (short papers and preliminary reports) 1920.
F. L. Ransome, Hoyt Stoddard Gale, Ernest Francis Burchard
1921, Bulletin 715
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 Lanfair Valley, California
D. G. Thompson
1921, Water Supply Paper 450-B
Contributions to the hydrology of the United States, 1919
Nathan C. Grover
1921, Water Supply Paper 450
Contributions to economic geology, 1920, Part I, Metals and nonmetals except fuels--The potash deposits of Alsace
H. S. Gale
1921, Bulletin 715-B
Routes to desert watering places in the Mohave Desert Region, California
1921, Water Supply Paper 490-B
No abstract available. ...
Mineral resources of the United States, 1917: Part I - Metals
Hiram Dryer McCaskey
1921, Report
No abstract available....
Mineral resources of the United States, 1918: Part II - Nonmetals
Gerald Francis Loughlin, Ralph Walter Stone
1921, Report
No abstract available....
Mineral resources of the United States, 1918: Part I - Metals
Gerald Francis Loughlin
1921, Report
No abstract available....
Forty-second annual report of the Director of the United States Geological Survey
George Otis Smith
1921, Annual Report 42
The direct appropriations for the work under the Geological Survey for the fiscal year 1921 comprised items amounting to $1,730,700. In addition $140,000, to be disbursed under the direction of the Public Printer, was appropriated for printing the reports of the Survey....
Plan and profile of Colorado River, Lees Ferry, Ariz., to mouth of Green River, Utah; San Juan River, mouth to Chinle Creek, Utah; and certain tributaries
1921, Report
Cycles of erosion in the Piedmont Province of Pennsylvania
Florence Bascom
1921, Journal of Geology (29) 540-559
No abstract available....
Hawaiian Volcano Observatory bulletins - 1921
1921, Report
The Hawaiian Volcano Observatory (HVO) Bulletin series was an informal publication issued between the years 1913 to 1929. Individual issues contain information on volcanic and earthquake activity, volcano research, and volcano monitoring in Hawaii, and issues often included photographs, sketches, and data plots. Information on volcanic activity at other locations...