Export 6 results:
Filters: Keyword is heavy minerals  [Clear All Filters]
2021
Peterson, Curt D., and Kara E. P. Kingen. Pacific Northwest Littoral Data, Edited by Portland State Univ Department. Portland, Or., 2021.
→ pdxscholar.library.pdx.edu/geology_data/1/
1998
Anderson, Chauncey W., and Kurt D. Carpenter. Water-quality and algal conditions in the North Umpqua River Basin, Oregon, 1992-95, and implications for resource management In Water-Resources Investigations Report / U.S. Geological Survey. Portland, Or.: The Survey, 1998.
→ pubs.er.usgs.gov/publication/wri984125
1972
Ramp, Len. Geology & mineral resources of Douglas County, Oregon In Bulletin (Oregon. Dept. of Geology and Mineral Industries) . Portland, Or.: Oregon Dept. of Geology and Mineral Industries, 1972.
→ www.oregongeology.org/pubs/B/B-075.pdf
1969
Curtiss, D. A.. Chemical quality of surface water in the Umpqua River Basin, Oregon In Open-File Report / U.S. Geological Survey. Portland, Or.: U.S. Geological Survey, 1969.
→ pubs.usgs.gov/of/1969/0067/report.pdf
1968
Kulm, Laverne D., K. F. Scheidegger, John V. Byrne, and J. J. Spigai. "A preliminary investigation of the heavy mineral suites of the coastal rivers and beaches of Oregon and northern California." The Ore Bin 30 (1968): 165-180.
→ ir.library.oregonstate.edu/concern/administrative_report_or_publications/p26770670
1953
Ramp, Len. Heavy Detrital Minerals of the South Umpqua River Drainage, Oregon. M.S. ed. Eugene, Or.: University of Oregon, 1953.