Preliminary Bouguer anomaly map of the Monrovia region of Liberia
John C. Behrendt, C.S. Wotorson
1969, Open-File Report 69-17
No abstract available. ...
Geology and geochemistry of the Consolation Creek area, Puruni Northwest, Guyana
Mark E. Shaffer
1969, Open-File Report 69-252
Phosphate rock in Colombia - a preliminary report, with a section on the phosphate occurrence at Turmeque
James Bachelder Cathcart, Francisco Zambrano O., Mojica G. Pedro E.
1969, Bulletin 1272-A
Maps showing locations of holes drilled in 1952 to 1954 by U.S. Geological Survey, Gypsum Valley district, Montrose and San Miguel Counties, Colorado
Water Resources Division, U.S. Geological Survey
1969, Open-File Report 69-300
No abstract available....
Extent and frequency of inundation on the Perkiomen Creek flood plain from Green Lane Reservoir to the Schuylkill River (near Oaks, Pennsylvania)
William F. Busch
1969, Open-File Report 69-29
This is the fourth report on the extent and frequency of inundation prepared for the Delaware River Basin Commission. The first of these reports covered floods on the Delaware River in the vicinity of Easton, Pennsylvania and Phillipsburg, New Jersey. The second covered a reach of the Schuylkill River from...
An appraisal of ground water for irrigation in the Wadena area, central Minnesota
G. F. Lindholm
1969, Open-File Report 69-150
Geologic map of the Kau Desert quadrangle, Hawaii
George Walton Walker
1969, Geologic Quadrangle 827
Reconnaissance of the ground-water resources of the Missouri River alluvium between Jefferson City and Miami, Missouri
Leo F. Emmett, H. G. Jeffery
1969, Hydrologic Atlas 340
Reconnaissance of the ground-water resources of the Missouri River alluvium between Kansas City, Missouri and the Iowa border
L. F. Emmett, H. G. Jeffery
1969, Hydrologic Atlas 336
Ground-water in Santa Barbara County, California, spring 1967 to spring 1968
R.E. Lewis
1969, Open-File Report 69-149
Ground-water resources of the Northern Neck Peninsula, Virginia
Allen Sinnott
1969, Open-File Report 69-259
Water in Maryland--a review of the Free State's liquid assets
P.N. Walker
1969, Open-File Report 69-311
Memorandum on the ground-water resources of Pharr Mounds Historic Site, Natchez Trace Parkway, Mississippi
F.H. Thomson
1969, Open-File Report 69-281
Preliminary geologic interpretation of aeromagnetic data in the Nixon Fork district, Alaska
Lennart A. Anderson, Bruce L. Reed, Gordon R. Johnson
1969, Open-File Report 69-9
An aeromagnetic map covering 480 square miles was compiled for the Nixon Fork district, which is located approximately 35 miles northeast of McGrath, Alaska. The survey was flown in search of concealed intrusive rocks which may have produced contact metamorphic deposits in limestone similar to the known lode deposits which...
Geologic map of the Ivyton quadrangle, eastern Kentucky
Charles L. Rice
1969, Geologic Quadrangle 801
Geologic map of part of the Carmichaels quadrangle, southwestern Pennsylvania
B.H. Kent
1969, IMAP 588
Geologic map of the Wapiti quadrangle, Park County, Wyoming
W.B. Pierce, Willis H. Nelson
1969, Geologic Quadrangle 778
Geologic map of the Causey Dam quadrangle, Weber County, Utah
Thomas E. Mullens
1969, Geologic Quadrangle 790
The coal-bearing group in the Nenana coal field, Alaska
Clyde Wahrhaftig, J. A. Wolfe, E. B. Leopold, M. A. Lanphere
1969, Bulletin 1274-D
Plant tissue and the color infrared record
Robert W. Pease
1969, Open-File Report 69-196
Preliminary geologic map of the southern half of the Fort Douglas quadrangle, Salt Lake County, Utah
Richard Van Horn
1969, Open-File Report 69-308
Organic extracts from JOIDES cores off northeastern Florida
E.E. Bray, Ernest Dean Evans
1969, Professional Paper 581-C
Geologic map of the Little Hickman quadrangle, central Kentucky
Don E. Wolcott
1969, Geologic Quadrangle 792
Element distribution in some trough and platform types of black shale and associated rocks
James David Vine, E.B. Tourtelot, J. R. Keith
1969, Bulletin 1214-H
Geochemical investigations of some black shales and associated rocks
James David Vine, Elizabeth B. Tourtelot
1969, Bulletin 1314-A