Aeromagnetic map of the Kabetogama Lake-Grassy Lake area, St. Louis County, Minnesota
Water Resources Division, U.S. Geological Survey
1968, Geophysical Investigations Map 616
No abstract available....
Geologic map of the Olaton quadrangle, western Kentucky
William D. Johnson, Avery E. Smith
1968, Geologic Quadrangle 687
Geologic map of part of the Owensboro East quadrangle in Daviess County, Kentucky
William D. Johnson, Avery E. Smith
1968, Geologic Quadrangle 751
Surficial geologic map of the West Torrington quadrangle, Litchfield County, Connecticut
Roger B. Colton
1968, Geologic Quadrangle 727
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 Ezel quadrangle, Morgan and Menifee Counties, Kentucky
G. N. Pipiringos, S.C. Bergman, Virgil A. Trent
1968, Geologic Quadrangle 721
Geologic map of the Frankfort East quadrangle, Franklin and Woodford Counties, Kentucky
John S. Pomeroy
1968, Geologic Quadrangle 707
Transcontinental geophysical survey (35°-39° N) magnetic map from 100° to 112° W longitude
Isidore Zietz, J.R. Kirby
1968, IMAP 533-A
No abstract available....
Geologic map of the David quadrangle, eastern Kentucky
William F. Outerbridge
1968, Geologic Quadrangle 720
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 Cravens quadrangle, Bullitt and Nelson Counties, Kentucky
Warren Lee Peterson
1968, Geologic Quadrangle 737
Geologic map of the Nortonville quadrangle, Hopkins and Christian Counties, Kentucky
James Edward Palmer
1968, Geologic Quadrangle 762
Geologic map of the Pleasant Ridge quadrangle, Ohio and Daviess Counties, Kentucky
Gus H. Goudarzi, Avery E. Smith
1968, Geologic Quadrangle 766
Geologic map of the Hartford quadrangle, Ohio County, Kentucky
Gus H. Goudarzi
1968, Geologic Quadrangle 741
Geologic map of the Fish Lake quadrangle, Fremont County, Wyoming
Willis L. Rohrer
1968, Geologic Quadrangle 724
Geologic map of the Valley View quadrangle, Schuylkill and Northumberland Counties, Pennsylvania
J. Peter Trexler, Gordon H. Wood
1968, Geologic Quadrangle 699
No abstract available....
Geologic map of the Lykens quadrangle, Dauphin, Schuylkill, and Lebanon Counties, Pennsylvania
J. Peter Trexler, Gordon H. Wood
1968, Geologic Quadrangle 701
Geologic map of the Hardin quadrangle, Marshall County, Kentucky
Glenn R. Scott, L.M. MacCary
1968, Geologic Quadrangle 759
Geologic map of the Monongahela quadrangle, southwestern Pennsylvania
John B. Roen, Bion H. Kent, Stanley P. Schweinfurth
1968, Geologic Quadrangle 743
Geologic map of the Hatfield Mountain quadrangle, Gallatin County, Montana
Betty Skipp, Mary-Margaret Hepp
1968, Geologic Quadrangle 729
Geologic map of the Mount Callaghan quadrangle, Lander County, Nevada
John Harris Stewart, Edwin H. McKee
1968, Geologic Quadrangle 730
Surficial geologic map of the Durham quadrangle, Middlesex and New Haven Counties, Connecticut
Howard E. Simpson
1968, Geologic Quadrangle 756
Geologic map of the Riverside quadrangle, Butler and Warren Counties, Kentucky
Fred R. Shawe
1968, Geologic Quadrangle 736
Geologic map of the Leadore quadrangle, Lemhi County, Idaho
Edward Thompson Ruppel
1968, Geologic Quadrangle 733
No abstract available....
Geologic map of the Cobb quadrangle, Trigg and Caldwell Counties, Kentucky
David A. Seeland
1968, Geologic Quadrangle 710