Ultraviolet absorption and luminescence studies: Progress report for the period from April to December, 1967
W. R. Hemphill
1968, Open-File Report 68-127
Flood runoff from partially urbanized areas, Wichita, Kansas
I. C. James II
1968, Open-File Report 68-144
Water-resources inventory for 1967, Antelope Valley--East Kern Water Agency area, California
R.E. Lewis, R. M. Bloyd Jr.
1968, Open-File Report 68-169
Preliminary appraisal of stream sedimentation in the Susquehanna River basin
K.F. Williams, J.R. George
1968, Open-File Report 68-330
Geologic map of the Aguas Buenas quadrangle, Puerto Rico
M. H. Pease Jr.
1968, IMAP 479
Index of surface-water records to September 30, 1967 - Part 6, Missouri River basin
H.P. Eisenhuth
1968, Circular 576
Reconnaissance geologic map of the Lookout Mountain quadrangle, Crook and Wheeler Counties, Oregon
C.M. Swinney, A. C. Waters, C. P. Miller
1968, IMAP 543
Ground-water geology of Kordofan Province, Sudan
Harry G. Rodis, Abdulla Hassan, Lutfi Wahadan
1968, Water Supply Paper 1757-J
For much of Kordofan Province, surface-water supplies collected and stored in hafirs, fulas, and tebeldi trees are almost completely appropriated for present needs, and water from wells must serve as the base for future economic and cultural development. This report describes the results of a reconnaissance hydrogeologic investigation of the...
Reports and maps of the Geological Survey released only in the open files, 1967
Betsy A. Weld, Margaret S. Griffin, George W. Brett
1968, Circular 548
Summary of the geology and ground-water resources of Pitt County, North Carolina
C. T. Sumsion
1968, Hydrologic Atlas 291
Evaluation of radar and infrared imagery of sedimentary rock terrane, south-central Yellowstone National Park, Wyoming
William Richard Keefer
1968, Open-File Report 68-156
Index of surface-water records to September 30, 1967 - Alaska
H.P. Eisenhuth
1968, Circular 585
Geologic map of the Ptolemaeus Quadrangle of the moon
K. A. Howard, Harold Masursky
1968, IMAP 566
The Ptolemaeus quadrangle is near the center of the lunar disk, in the northern part of the southern highlands. Smooth...
Floods at Arecibo, Puerto Rico
Irby J. Hickenlooper
1968, Hydrologic Atlas 271
Floods in the area of Vega Alta and Vega Baja, Puerto Rico
Irby J. Hickenlooper
1968, Hydrologic Atlas 289
Ground-water resources of the Appalachian region
Granville G. Wyrick
1968, Hydrologic Atlas 295
Geochemical prospecting for zinc, lead, copper, and silver, Lancaster Valley, southeastern Pennsylvania
Jacob Freedman
1968, Open-File Report 68-106
Lead, copper, molybdenum, and zinc geochemical anomalies south of the Summitville district, Rio Grande County, Colorado
William N. Sharp, James Louis Gualtieri
1968, Circular 557
Surficial geologic map of Yucca Flat, Nye and Lincoln Counties, Nevada
A.T. Fernald, G.S. Corchary, W.P. Williams
1968, IMAP 550
Ground-water resources of the lower Merrimack River valley, south-central New Hampshire
James Montgomery Weigle
1968, Hydrologic Atlas 277
Water resources and surficial geology of the Homer area, south-central Alaska
Roger M. Waller, Alvin J. Feulner, Donald Arthur Morris
1968, Hydrologic Atlas 187
No abstract available....
Geology and ground water resources of the middle peninsula, Virginia
Dagfin John Cederstrom
1968, Open-File Report 69-37
A list of references on lead isotope geochemistry through 1966
Bruce R. Doe
1968, Open-File Report 68-76
This bibliography was constructed to be as complete as possible for terminal papetrs containing new data relative to the geochmical applications of Common lead U-Th-Pb isotopic dating Pb-α Pb210, Pb212, Pb214 No effort was made for completeness of: Annual report, Yearbooks, etc. Review papers although many are included. Abstract and these are omitted....
Geologic map of the Adjuntas quadrangle, Puerto Rico
P.H. Mattson
1968, IMAP 519
Geology and lode gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska
Donald H. Richter
1968, Open-File Report 68-229
Nuka Bay is a deep, T-shaped fiord on the southeast coast of the Kenai Peninsula approximately 60 miles southwest of the port of Seward. Gold-bearing quartz veins were discovered in the area in 1918, and between 1920 and 1940 several small mines were in operation around the North and West...