1. Variations in sand storage measured at monumented cross sections in the Colorado River between Glen Canyon Dam and Lava Falls Rapid, northern Arizona, 1992-99 Author/Creator: Flynn, Marilyn E. Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
2. Vulnerability of ground water to contamination, northern Bexar County, Texas Author/Creator: Clark, Amy R. 1961- (Amy Richter) Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
3. Vulnerability of ground water to contamination, northern Bexar County, Texas Author/Creator: Clark, Amy R. 1961- (Amy Richter) Publication/Creation: Austin, Tex. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
4. Variability of pesticide detections and concentrations in field replicate water samples collected for the National Water-Quality Assessment Program, 1992-97 Author/Creator: Martin, Jeffrey D. Publication/Creation: Indianapolis, Ind. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
5. Vertical profiles of streambed hydraulic conductivity determined using slug tests in central and western Nebraska Publication/Creation: Lincoln, Neb. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
6. Vertical profiles of streambed hydraulic conductivity determined using slug tests in central and western Nebraska Author/Creator: Rus, David L., author Publication/Creation: Lincoln, Nebraska : U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
7. Vertical gradients in water chemistry in the central High Plains aquifer, southwestern Kansas and Oklahoma panhandle, 1999 Author/Creator: McMahon, Peter B., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
8. Vulnerability of ground water to contamination, Edwards aquifer recharge zone, Bexar County, Texas, 1998 Author/Creator: Clark, Allan K., author Publication/Creation: Austin, Texas : U.S. Deptartment of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
9. Vulnerability of ground water in the Tokio and Warwick aquifers to surface contamination, Fort Totten Indian Reservation, North Dakota Author/Creator: Reed, Thomas B., author Publication/Creation: Bismarck, North Dakota : U.S. Departmrnt of the Interior, U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
10. Vulnerability of ground water to atrazine leaching in Kent County, Michigan Author/Creator: Holtschlag, David J., author Publication/Creation: Lansing, Michigan : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading