Geologic map of the Pleasant Ridge quadrangle, Ohio and Daviess Counties, Kentucky
Gus H. Goudarzi, Avery E. Smith
1968, Geologic Quadrangle 766
Aeromagnetic map of the Webster quadrangle, Worcester County, Massachusetts and Windham County, Connecticut
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 634
No abstract available....
Bouguer gravity map of parts of Maricopa, Pima, Pinal, and Yuma Counties, Arizona
D. L. Peterson
1968, Geophysical Investigations Map 615
No abstract available....
Geologic map of the Calvert City quadrangle, Livingston and Marshall Counties, Kentucky
Dewey Harold Amos, Warren Irvin Finch
1968, Geologic Quadrangle 731
Geologic map of the Olaton quadrangle, western Kentucky
William D. Johnson, Avery E. Smith
1968, Geologic Quadrangle 687
Geologic map of the Hartford quadrangle, Ohio County, Kentucky
Gus H. Goudarzi
1968, Geologic Quadrangle 741
Aeromagnetic map of the East Brookfield quadrangle, Worcester County, Massachusetts
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 621
No abstract available....
Transcontinental geophysical survey (35°-39° N) magnetic and bathymetric map from 74° to 87° W longitude
Isidore Zietz, J.R. Kirby, H. P. Stockard
1968, IMAP 535-A
No abstract available....
Transcontinental geophysical survey (35°–39° N) magnetic map from 112° W longitude to the coast of California
Isidore Zietz, J.R. Kirby
1968, IMAP 532-A
No abstract available....
Geologic map of the Munger Mountain quadrangle, Teton and Lincoln Counties, Wyoming
Howard F. Albee
1968, Geologic Quadrangle 705
Geologic map of the Pat O'Hara Mountain quadrangle, Park County, Wyoming
William Gamewell Pierce, Willis H. Nelson
1968, Geologic Quadrangle 755
Geologic map of the Muddy Gap quadrangle, Carbon County, Wyoming
Mitchell W. Reynolds
1968, Geologic Quadrangle 771
Aeromagnetic map of the Worthington quadrangle and parts of the Plainfield and Peru quadrangles, Berkshire and Hampshire Counties, Massachusetts
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 627
No abstract available....
Transcontinental geophysical survey (35°-39° N) magnetic and bathymetric map from 63° to 74° W longitude
Isidore Zietz, H. P. Stockard, J.R. Kirby
1968, IMAP 536
No abstract available....
Geologic map of the Panola quadrangle, Estill and Madison Counties, Kentucky
Robert C. Greene
1968, Geologic Quadrangle 686
Geologic map of the Ford quadrangle, central Kentucky
Douglas F. B. Black
1968, Geologic Quadrangle 764
Aeromagnetic map of the Worcester South quadrangle, Worcester County, Massachusetts
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 623
No abstract available....
Gravity map of the Trinidad quadrangle, Colorado: A contribution to the Upper Mantle Project
D. L. Peterson, Peter Popenoe, J. R. Gaca, D. E. Karig
1968, Geophysical Investigations Map 638
No abstract available....
Geological maps of anthracite-bearing rocks in the west-central part of the southern anthracite field, Pennsylvania, eastern area
Gordon H. Wood Jr., Peter Trexler, Thomas M. Kehn
1968, IMAP 528
Geologic map of the Dundee quadrangle, Ohio County, Kentucky
Gus H. Goudarzi, Avery E. Smith
1968, Geologic Quadrangle 688
Aeromagnetic map of the Hampden quadrangle, Hampden County, Massachusetts, and Tolland County, Connecticut
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 629
No abstract available....
Geologic map of the Tremont quadrangle, Schuylkill and Northumberland Counties, Pennsylvania
Gordon H. Wood, J. Peter Trexler
1968, Geologic Quadrangle 692
Geologic map of the Spencer Hot Springs quadrangle, Lander County, Nevada
Edwin H. McKee
1968, Geologic Quadrangle 770
Bedrock geologic map of the Meriden quadrangle, New Haven, Hartford, and Middlesex Counties, Connecticut
P.M. Hanshaw
1968, Geologic Quadrangle 738
Geologic map of part of the Owensboro East quadrangle in Daviess County, Kentucky
William D. Johnson, Avery E. Smith
1968, Geologic Quadrangle 751