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Displaying 1-8 of 8 results for author "Ortiz, Roderick F."
Diurnal variations in metal concentrations in the Alamosa River and Wightman Fork, southwestern Colorado, 1995-97 / by Roderick F. Ortiz and Robert W. Stogner, Sr. ; prepared in cooperation with the U.S. Environmental Protection Agency.
- Text
- Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Information Services [distributor], 2001.
- 2001
- 1 Item
Item details Format Call Number Item Location Text JSF 01-434 Offsite Determination of instream metal loads using tracer-injection and synoptic-sampling techniques in Wightman Fork, southwestern Colorado, September 1997 / by Roderick F. Ortiz and Kenneth E. Bencala ; prepared in cooperation with the U.S. Environmental Protection Agency and the Colorado Department of Public Health and Environment.
- Text
- Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Information Services [distributor], 2001.
- 2001
- 1 Item
Item details Format Call Number Item Location Text JBX Q-486 Offsite Characterization of water quality in selected tributaries of the Alamosa River, southwestern Colorado, including comparisons to instream water-quality standards and toxicological reference values, 1995-97 / by Roderick F. Ortiz and Sheryl A. Ferguson ; prepared in cooperation with the U.S. Environmental Protection Agency.
- Text
- Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Information Services [distributor], 2001.
- 2001
- 1 Item
Item details Format Call Number Item Location Text JBX Q-505 Offsite Determination of instream metal loads using tracer-injection and synoptic-sampling techniques, Wightman Fork, southwestern Colorado, July 1999 / by Roderick F. Ortiz ; prepared in cooperation with the U.S. Environmental Protection Agency and the Colorado Department of Public Health and Environment.
- Text
- Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Information Services [distributor], 2001.
- 2001
- 1 Item
Item details Format Call Number Item Location Text JBX Q-558 Offsite Characterization of water quality in Government Highline Canal at Camp 7 Diversion and Highline Lake, Mesa County, Colorado, July 2000 through September 2003 / by Roderick F. Ortiz ; prepared in cooperation with the Colorado Division of Parks and Recreation.
- Text
- Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005.
- 2005
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/LPS102478Ground-water quality of granitic- and volcanic-rock aquifers in southeastern Park County, Colorado, July-August 2003 / by Roderick F. Ortiz.
- Text
- [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2004]
- 2004
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/LPS103867Simulated effects of proposed Arkansas Valley Conduit on hydrodynamics and water quality for projected demands through 2070, Pueblo Reservoir, southeastern Colorado / by Roderick F. Ortiz ; prepared in cooperation with the Bureau of Reclamation.
- Text
- Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013.
- 2013
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo41800Estimates of gains and losses from unmeasured sources and sinks for streamflow and dissolved-solids load in selected reaches of the Arkansas River, southeastern Colorado, 2009-2010 / by Roderick F. Ortiz ; prepared in cooperation with the City of Aurora [and six others].
- Text
- Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013.
- 2013
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo35694
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