United States Geological Survey YearbookU.S. Geological Survey, 1991 - Geology |
From inside the book
Results 1-5 of 40
Page
... surface , maps have helped form our understanding of the Earth . The advent of the satellite era and new remote sensing technologies allowed us to view our home from space and to collect global data . Great advances in computer ...
... surface , maps have helped form our understanding of the Earth . The advent of the satellite era and new remote sensing technologies allowed us to view our home from space and to collect global data . Great advances in computer ...
Page 1
... surface and bedrock geology , in assessing energy , water , and mineral resources , and in delineating geologic hazards . The map units on the glacial sediments map ( see article below ) , for example , were too small to be printed ...
... surface and bedrock geology , in assessing energy , water , and mineral resources , and in delineating geologic hazards . The map units on the glacial sediments map ( see article below ) , for example , were too small to be printed ...
Page 2
... surface ) . The term Quaternary refers to the glacial and modern- day sediments that lie at land surface above older geologic units . The map includes parts of 23 States and Canada and provides a regional context for the more detailed ...
... surface ) . The term Quaternary refers to the glacial and modern- day sediments that lie at land surface above older geologic units . The map includes parts of 23 States and Canada and provides a regional context for the more detailed ...
Page 3
... SURFACE SEDIMENTS Peal Till Coarse Fine strat . strat INCREASING COLOR INTENSITY Indicates increasing total thickness of Quaternary sediments Bedrock OF QUATERNARY SEDIMENTS TOTAL THICKNESS ( foot ) derivative maps designed to address ...
... SURFACE SEDIMENTS Peal Till Coarse Fine strat . strat INCREASING COLOR INTENSITY Indicates increasing total thickness of Quaternary sediments Bedrock OF QUATERNARY SEDIMENTS TOTAL THICKNESS ( foot ) derivative maps designed to address ...
Page 5
... Surface mining : coal depth and thickness Underground mining : coal depth and thickness Proximity to mines • Barrier pillars • Roof or floor problems • Structural problems 38 ° 20'N 124 ° W 38 ° N 2000. Geographic Information Systems 5.
... Surface mining : coal depth and thickness Underground mining : coal depth and thickness Proximity to mines • Barrier pillars • Roof or floor problems • Structural problems 38 ° 20'N 124 ° W 38 ° N 2000. Geographic Information Systems 5.
Other editions - View all
Common terms and phrases
activities Administration Alaska analysis applications aquifer Assessment Assistant atrazine Award Bldg Bureau cartographic data CD-ROM Chief Hydrologist City City of w Clark Air Base coal Commission cooperative Coordination County data base data sets Denver Denver Federal Center deposits diazinon digital data distribution District w Division Chief earth science earthquake energy environment Environmental eruption fiscal year 1991 frame relay funds geographic data geologic map Geologist GIS technology global change ground water ground-water hydrologic Information Systems Interior Kansas Kansas River kilometers Lake land located mainframe Management Menlo Park ment Mineral Resources Mount Pinatubo National Center National Mapping Office percent personnel pesticides Pinatubo Planning processing regional Reston River scientific sediment seismic soil spatial data surface thermal maturity tion Transportation U.S. Geological Survey United users USGS USNSN vitrinite volcano WASC Water Conservation District Water District Water Quality Water Resources