United States Geological Survey YearbookThe Survey, 1987 - Forest reserves |
From inside the book
Results 1-5 of 61
Page vii
... sampling of organic compounds in water that is giving us a much better and much needed understand- ing of the fate and transport of these con- stituents in water systems . USGS research is also at the forefront of many issues of ...
... sampling of organic compounds in water that is giving us a much better and much needed understand- ing of the fate and transport of these con- stituents in water systems . USGS research is also at the forefront of many issues of ...
Page 21
... data . Below , Potholes that were se- lected for runoff modeling are shown with their watersheds and pour points and sample tabular information . Figure 4. Bedrock geologic map of test area in western. Perspectives 21.
... data . Below , Potholes that were se- lected for runoff modeling are shown with their watersheds and pour points and sample tabular information . Figure 4. Bedrock geologic map of test area in western. Perspectives 21.
Page 29
... samples . One of these techniques has an ion exchange preconcentration step , and the other has a solvent extraction precon- centration step . Both of these techniques were followed by a graphite furnace atomic absorption measurement ...
... samples . One of these techniques has an ion exchange preconcentration step , and the other has a solvent extraction precon- centration step . Both of these techniques were followed by a graphite furnace atomic absorption measurement ...
Page 30
... Samples of rock cut- tings were collected every ten feet , and 33 rock cores , totaling 269.5 feet in length , were recovered ( fig . 6 ) . The USGS has provided sample and core handling , distri- bution , and curatorial facilities and ...
... Samples of rock cut- tings were collected every ten feet , and 33 rock cores , totaling 269.5 feet in length , were recovered ( fig . 6 ) . The USGS has provided sample and core handling , distri- bution , and curatorial facilities and ...
Page 31
... sample - handling facility at Cajon Pass , California . Seg- ments of the core are distrib- uted to university and govern- ment scientists for analysis and testing , and the remainder of the core is shipped to the USGS Drill Core ...
... sample - handling facility at Cajon Pass , California . Seg- ments of the core are distrib- uted to university and govern- ment scientists for analysis and testing , and the remainder of the core is shipped to the USGS Drill Core ...
Other editions - View all
Common terms and phrases
activities Administration Alaska analysis aquifer areas Award basin Board Bureau Calcasieu River cartographic cartographic data Chief Hydrologist City City of w climate coal coastal Commission concentrations contamination cooperative Coordination County data base Denver Denver Federal Center Department of Public deposits Earth Science earthquake energy environment Environmental fiscal flow geographic information systems Geologic Division geologic map Geologist geophysical global change gram graphic ground water ground-water hazards hydrologic Hydrologist investigations Irrigation Lake Lake Nyos land located Management ment miles mineral resources National Center National Mapping Division natural Office organic Park percent Planning processes radon Regional Reston River rocks samples San Joaquin River scientific scientists sediment seismic selenium Service soils Stop streamflow studies surface tion Transportation U.S. Geological Survey United users USGS Valley Volcano Water Conservation District Water District water quality Water Resources water-quality wetlands zone