1. Seasonal changes in phytoplankton populations and related chemical and physical characteristics in lakes in Loch Vale, Rocky Mountain National Park, Colorado Author/Creator: McKnight, Diane M., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
2. Sediment accumulation in San Leandro Bay, Alameda County, California, during the 20th century : a preliminary report Author/Creator: Nolan, K. Michael 1949- (Kenneth Michael), author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
3. Sediment discharge in the Colorado River near De Beque, Colorado Author/Creator: Butler, David L. 1946- (David Louis), author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
4. Sediment-data sources and estimated annual suspended-sediment loads of rivers and streams in Colorado Author/Creator: Elliott, John G. 1951- (John Grant), author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
5. Selenium concentrations in leaf material from Astragalus Oxyphysus (diablo locoweed) and Atriplex Lentiformis (quail bush) in the interior Coast Ranges and the western San Joaquin Valley, California Author/Creator: Izbicki, John A., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
6. Shallow ground-water conditions, Tom Green County, Texas Author/Creator: Lee, James N., author Publication/Creation: Austin, Texas : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
7. Shallow ground-water flow, water levels, and quality of water, 1980-84, Cowles Unit, Indiana Dunes National Lakeshore Author/Creator: Cohen, David A., author Publication/Creation: Indianapolis, Indiana : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
8. Shallow ground-water resources in the Grand Strand of South Carolina Author/Creator: Speiran, Gary K., author Publication/Creation: Columbia, South Carolina : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
9. Simulation of ground-water flow in the Rio Yauco alluvial valley, Yauco, Puerto Rico Author/Creator: Quiñones-Aponte, Vicente, author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
10. Simulation of the effects of management alternatives on the stream-aquifer system, South Fork Solomon River Valley between Webster Reservoir and Waconda Lake, north-central Kansas Author/Creator: Burnett, Robert D., author Publication/Creation: Lawrence, Kansas : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading