Geology of the Lake Peters area, northeastern Brooks Range, Alaska
Bruce L. Reed
1968, Bulletin 1236
Devonian and Mississippian rocks and the date of the Roberts Mountains thrust in the Carlin-Pinon Range area, Nevada
J. Fred Smith Jr., Keith Brindley Ketner
1968, Bulletin 1251-I
No abstract available....
Geology of magnesite deposits in northern Okanogan County, Washington - a preliminary report
Kenneth F. Fox Jr., C. Dean Rinehart
1968, Bulletin 1272-B
Determination of nitrates in saline minerals
Laura E. Reichen, Joseph J. Fahey
1968, Bulletin 1214-F
Stratigraphic and facies relationships of the Carys Mills Formation of Ordovician and Silurian age, northeast Maine
Louis Pavlides
1968, Bulletin 1264
Summary report on the geology and mineral resources of the Oregon Islands National Wildlife Refuge, Oregon
Albert Edward Weissenborn, Parke Detweiler Snavely Jr.
1968, Bulletin 1260-G
Geology of the Ohio quadrangle, southwestern part of Adirondack Mountains, New York
Arthur E. Nelson
1968, Bulletin 1251-F
No abstract available....
Summary report on the geology and mineral resources of the Bering Sea, Bogoslof, Simeonof, Semidi, Tixedni, St. Lazaria, Hazy Islands, and Forrester Island National Wildlife Refuges, Alaska
Edward Huntington Cobb, A. A. Wanek, Arthur Grantz, Claire Carter
1968, Bulletin 1260-K
Reconnaissance geology, geophysics, and geochemistry of the southeastern part of the Lewis and Clark Range, Montana
Melville Rhodes Mudge, Ralph Leroy Erickson, Dean Kleinkopf, G.C. Curtin, A. P. Marranzino, Robert Eugene Zartman
1968, Bulletin 1252-E
No abstract available....
Engineering geology of the Paducah East quadrangle in Kentucky
Thomas C. Nichols Jr.
1968, Bulletin 1258-A
Summary report on the geology and mineral resources of Flattery Rocks, Quillayute Needles, and Copalis National Wildlife Refuges, Washington
Albert Edward Weissenborn, Parke Detweiler Snavely Jr.
1968, Bulletin 1260-F
Geology of part of the Alder Creek mining district, Custer County, Idaho
Willis H. Nelson, Clyde Polhemus Ross
1968, Bulletin 1252-A
Definition of Wisconsinan Stage
John Chapman Frye, H.B. Willman, Meyer Rubin, R. F. Black
1968, Bulletin 1274-E
New and revised stratigraphic names in the Santa Rita Mountains of southeastern Arizona
Harold Drewes
1968, Bulletin 1274-C
The Aguada Limestone of northwestern Puerto Rico
Watson Hiner Monroe
1968, Bulletin 1274-G
Bibliography of reports resulting from U.S. Geological Survey participation in the United States Technical Assistance Program, 1940-67
Jo Ann Heath, Nancy B. Tabacchi
1968, Bulletin 1263
Geology of the crystalline rocks in the western part of the Morrison quadrangle, Jefferson County, Colorado
Dolores J. Gable
1968, Bulletin 1251-E
Petrography and petrology of volcanic rocks in the Mount Jefferson area, High Cascade Range, Oregon
Robert C. Greene
1968, Bulletin 1251-G
Correlation of Permian and Pennsylvanian sections between the Egan Range and Spring Mountains, Nevada
Patrick James Barosh
1968, Bulletin 1254-I
Wapiti formation and Trout Peak Trachyandesite, northwestern Wyoming
Willis H. Nelson, William Gamewell Pierce
1968, Bulletin 1254-H
Engineering geology of the Paducah West and Metropolis quadrangles in Kentucky
Warren Irvin Finch
1968, Bulletin 1258-B
No abstract available....
Upper Cretaceous and lower Tertiary rocks, Berkeley and San Leandro Hills, California
James E. Case
1968, Bulletin 1251-J
Semilla Sandstone, a new member of the Mancos Shale in the southeastern part of the San Juan Basin, New Mexico
C. H. Dane, Erle G. Kauffman, William Aubrey Cobban
1968, Bulletin 1254-F
Summary report on the geology and mineral resources of the Passage Key, Island Bay, Cedar Keys, and Pelican Island National Wildlife Refuges, Florida
Charles L. Perdue Jr.
1968, Bulletin 1260-O
Summary report on the geology and mineral resources of the Harney Lake and Malheur Lake areas of the Malheur National Wildlife Refuge, north-central Harney County, Oregon
George Walton Walker, Donald A. Swanson
1968, Bulletin 1260-L