Displaying 14 of 14 results
Partitioning of elements between two size sediment fractions in samples from nineteen areas of the western United States / by R.C. Severson, K.C. Stewart, and Thelma F. Harms.
Microform
[Denver, CO] : U.S. Geological Survey : [Books and Open-File Reports Section, distributor], 1991.
1991
0 resources
Water-extractable geochemical data for native and irrigated soils from the Kendrick Reclamation Project Area, Wyoming, 1988-89 / by J.G. Crock, R.C. Severson, and J.A. Erdman.
Microform
[Denver, CO] : U.S. Dept. of the Interior, Geological Survey, 1991.
1991
0 resources
Chemical results and variability assessment of selected water-extractable constituents from soils of the Uncompahgre Project area, west-central Colorado / by K.C. Stewart, J.G. Crock, and R.C. Severson.
Microform
Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey : [Books and Open-File Reports Section, distributor], 1993.
1993
0 resources
Listing of geochemical data and assessment of variability for soils and alfalfa of the Uncompahgre Project Area, Colorado / by J.G. Crock, K.C. Stewart, and R.C. Severson.
Microform
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo.] : [Earth Science Information Center, Open-File Reports Section, distributor], 1994.
1994
0 resources
Element concentrations in soils and other surficial materials of Alaska : an account of the concentrations of 43 chemical elements, ash, and pH in soil and other unconsolidated regolith samples / by L.P. Gough, R.C. Severson, and H.T. Shacklette.
Web resource
[Washington, D.C.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1988.
1988
1 resource
Available online
Geochemical landscapes of the conterminous United States : new map presentations for 22 elements / by N. Gustavsson, B. Bolviken, D.B. Smith, and R.C. Severson.
Web resource
Denver, CO : U.S. Department of the Interior, U.S. Geological Survey, 2001.
2001
1 resource
Available online
Environmental implications of element emissions from phosphate-processing operations in southeastern Idaho / by R.C. Severson and L.P. Gough.
Web resource
Washington : United States Department of the Interior, Geological Survey, 1979.
1979
1 resource
Available online
Spatial variation in total element concentration in soil within the northern Great Plains coal region and Regional soil chemistry in the Bighorn and Wind River Basins, Wyoming and Montana / by R.C. Severson and R.R. Tidball.
Web resource
Washington : United States Department of the Interior, Geological Survey, 1979.
1979
1 resource
Available online
Biogeochemical variability of plants at native and altered sites, San Juan Basin, New Mexico / by Larry P. Gough and R.C. Severson.
Web resource
Washington : United States Department of the Interior, Geological Survey, 1981.
1981
1 resource
Available online
Geochemical variability of natural soils and reclaimed mine-spoil soils in the San Juan Basin, New Mexico / by R.C. Severson and L.P. Gough.
Web resource
Washington : United States Department of the Interior, Geological Survey, 1981.
1981
1 resource
Available online
Four reference soil and rock samples for measuring element availability in the western energy regions / by J.G. Crock and R.C. Severson.
Web resource
[Reston, Virginia] : United States Department of the Interior, Geological Survey, 1980.
1980
1 resource
Available online
Essential elements and soil amendments for plants : sources and use for agriculture / by R.C. Severson and Hansford T. Shacklette.
Web resource
[Reston, Virginia] : Department of the Interior, U.S. Geological Survey, 1988.
1988
1 resource
Available online
Proceedings of the 1990 Billings Land Reclamation Symposium on Selenium in Arid and Semiarid Environments, Western United States / by R.C. Severson, Scott E. Fisher, Jr., and L.P. Gough, editors.
Web resource
[Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 1991.
1991
1 resource
Available online
Guidebook on the geology, history, and surface-water contamination and remediation in the area from Denver to Idaho Springs, Colorado / edited by K.C. Stewart and R.C. Severson ; written contributions by Walter H. Ficklin [and nine others] ; photographic contributions by John M. Epperson [and five others] ; graphics by Michael F. Duncan [and three others] ; editorial assistance by Thomas Kohnen.
Web resource
[Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 1994.
1994
1 resource