Metal absorption by Equisetum (horsetail)
Helen Leighton Cannon, Hansford Threlkeld Shacklette, Harry Bastron
1968, Bulletin 1278-A
Summary report on the geology and mineral resources of the Huron, Seney, Michigan Islands, Green Bay, and Gravel Island National Wildlife Refuges of Michigan and Wisconsin
Carl E. Dutton
1968, Bulletin 1260-I
Preliminary geologic map of the Sahuarita quadrangle, Pima County, Arizona
Harald D. Drewes
1968, Open-File Report 68-89
Biostratigraphy of the Phosphoria, Park City, and Shedhorn Formations, with a section on fish
E.L. Yochelson, D. M. Van Sickle
1968, Professional Paper 313-D
An early Reticuloceras Zone fauna from the Hale Formation in northwestern Arkansas
Mackenzie Gordon Jr.
1968, Professional Paper 613-A
Hydrology of Brookhaven National Laboratory and vicinity, Suffolk County, New York
Moultrie Alfred Warren, Wallace de Laguna, Norbert Joseph Lusczynski
1968, Bulletin 1156-C
Geology of magnesite deposits in northern Okanogan County, Washington - a preliminary report
Kenneth F. Fox Jr., C. Dean Rinehart
1968, Bulletin 1272-B
Wapiti formation and Trout Peak Trachyandesite, northwestern Wyoming
Willis Howard Nelson, William Gamewell Pierce
1968, Bulletin 1254-H
Waterfowl status report, 1968
R. Kahler Martinson (compiler), James F. Voelzer, Mildred R. Hudgins
1968, Special Scientific Report - Wildlife 122
Geology of part of the Alder Creek mining district, Custer County, Idaho
Willis Howard Nelson, Clyde Polhemus Ross
1968, Bulletin 1252-A
Summary report on the geology and mineral resources of the Charons Gardens Unit, Wichita Mountains National Wildlife Refuge, Comanche County, Oklahoma
Edward L. Johnson
1968, Bulletin 1260-J
Geology, altered rocks, and ore deposits of the San Rafael Swell, Emery County, Utah
C.C. Hawley, Raymond C. Robeck, H.B. Dyer
1968, Bulletin 1239
Thermodynamic properties of minerals and related substances at 298.15 K (25.0 C) and one atmosphere (1.013 bars) pressure and at higher temperatures
Richard A. Robie, David Robert Waldbaum
1968, Bulletin 1259
Role of certain stream-sediment components in radioion sorption
Everett A. Jenne, James Samuel Wahlberg
1968, Professional Paper 433-F
Mourning dove status report, 1967
James L. Ruos (compiler), Duncan MacDonald (compiler)
1968, Special Scientific Report - Wildlife 121
Operation of Abernathy Channel for incubation of salmon eggs
Allan E. Thomas, J.M. Shelton
1968, Technical Paper 23
Atlantic Continental Shelf and Slope of the United States - Physiography and sediments of the deep-sea basin
R. M. Pratt
1968, Professional Paper 529-B
A testing of court-stenographic techniques for recording geologic descriptions
David L. Schleicher
1968, Open-File Report 69-238
Aeromagnetic map of part of the Jarbidge quadrangle, Elko County, Nevada
Frank Petrafeso, C.L. Long
1968, Open-File Report 68-286
Geologic map of the Whiskey Peak quadrangle, Carbon, Fremont, and Sweetwater Counties, Wyoming
Mitchell W. Reynolds
1968, Geologic Quadrangle 772
No abstract available....
Aerial surveys of Canada geese and black ducks in eastern Canada
Charles F. Kaczynski, Everett B. Chamberlain (compiler)
1968, Special Scientific Report - Wildlife 118
Transcontinental geophysical survey (35°-39° N) geologic map from 100° to 112° W longitude
J. E. Carlson, Ronald Charles Willden
1968, IMAP 533-C
No abstract available....
Petrography and petrology of volcanic rocks in the Mount Jefferson area, High Cascade Range, Oregon
Robert C. Greene
1968, Bulletin 1251-G
Geology of the Johnson River area, Alaska
George William Holmes, Helen Laura Foster
1968, Bulletin 1249
Tertiary aquifers in the Mississippi embayment, with discussions of quality of the water
R.L. Hosman, A. T. Long, T. William Lambert, H. O. Jeffery
1968, Professional Paper 448-D
No abstract available....