Geological Survey (U.S.) 100
Fox, J. E. 1943- 20
Roehler, Henry W. 14
O'Sullivan, Robert Brett, 1923- 9
Calzia, J. P. 5
Geological Survey of Pakistan 5
Johnson, Edward A. 1940- 5
Colorado Geological Survey 4
Molenaar, C. M. 4
ScienceDirect (Online service) 4
Arkansas Geological Commission 3
Condon, Steven M. 3
Hettinger, Robert D. 3
United States. Bureau of Indian Affairs 3
Ambrose, Carol Morgans Tremain 2
American Institute of Architects 2
Arndt, Harold H. 2
Baird, J. K. 2
Cannon, Susan H. 2
Cousins, M. F., 2
Dyman, T. S. 2
Ellis, Margaret S. 1950- 2
Geological Survey (U.S.), 2
Hallberg, Laura L., 2
Hardie, John K. 2
Hayes, Timothy Scott 2
Huffman, A. C. 2
Johnson, Ronald C. 1950- 2
Johnson, Samuel Y. 2
Kelso, Bruce S. 2
Khan, Intizar H. 2
Kirschbaum, Mark A. 2
Missouri. Division of Geology and Land Survey 2
Nichols, K. M. 1946- 2
Ogle, Kathy Muller, 2
Ramsey, Charles George, 1884-1963 2
Roberts, Stephen B. 2
Sleeper, Harold Reeve, 1893-1960 2
Tysdal, Russell G. 2
Utah Geological and Mineral Survey 2
Affolter, Ronald H. 1
American National Standards Institute. Committee Y14, Standards for Engineering Drawing and Related Documentation Practices. Subcommittee 7, Gears and Splines 1
American Society for Engineering Education 1
American Society of Mechanical Engineers 1
Anderson, Richard K. 1951- 1
Bakhoum, Nagy R., 1
Bawiec, W. J. 1
Bisharat, Keith A. 1
Brownfield, M. E. 1
Campbell, Bruce G. 1
Cheyenne Board of Public Utilities (Cheyenne, Wyo.) 1
Cheyenne Board of Public Utilities (Cheyenne, Wyo.), 1
Chisholm, Wayne A. 1
Cobban, William A., 1916-2015 1
Collins, Donley S. 1
Colorado. Department of Transportation 1
Crone, Anthony J. 1
Detterman, Robert L. 1
Dorn, Dennis 1
Edwards, Gerald B. 1
Franczyk, Karen J. 1
Gettings, M. E. 1
Giardino, Marco Joseph, 1950-2018 1
Gohn, Gregory S. 1
Handberg, Ejner 1
Harding, Samuel T. 1
Henderson, Susan M. 1
Herd, Darrell G. 1
Hester, T. C. 1
Heusser, Linda E. 1
Hiett, John K. 1
Historic American Buildings Survey/Historic American Engineering Record 1
Hoke, John Ray, 1950- 1
Honey, James G. 1
Houser, Brenda 1
Huth, Mark W. 1
Jedrzejewski, Franck, 1
Jefferis, Alan 1
Johnson, Tom, 1939- 1
Kentucky Geological Survey 1
Krizanich, Gary W. 1
Libby-French, Jan 1
Linde, Richard M., 1
Lord, Peter, 1929- 1
Luedke, Robert G. 1
Lupe, Robert 1
Luzietti, Eugene A. 1
Madsen, David A. 1
McMasters, Catherine R. 1
Miller, John J. 1
Miller, John W. 1928- 1
Mouzon, Stephen A. 1
Mugel, Douglas N. 1
Muller, Edward John, 1916- 1
National Cancer Institute (U.S.) 1
Nummedal, Dag 1
Oldale, Robert N. 1
Palmer, James R. 1
Parker, W. Oren 1
Pearson, G. 1911- 1