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201 - 225 of 881 Items << < 4 5 6 7 8 9 10 11 12 13 > >>
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58 x 47 cm., on sheet 81 x 81 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Geology mapped in 1962. Contours on pre-Cenozoic rocks by D. L. Healey and C. H. Miller, 1958-63." Includes text, col. cross section and...
1965-04-26
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Document: Appendices to Pacific Southwest Water Plan Review Draft "U.S. Geological Survey Appendix", August 1963, page 12
1963-08-01
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Journal: Anthropological Notes, University of Utah Department of Anthropology, "Outline History of the Glen Canyon Region 1776 - 1922", Number 42, September 1959, page 103
1959-09-01
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38. Boston Bar; mile 117 - 117.7 River Map Sheet H left bank, topographic map in Hunt et al. 1953, Lake Canyon quad USGS 1953; placer mining operations from the 1880's; two areas of operation about 1/4 mile apart at about 60 ft. level above river,...
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Advances in topographic survey and terrain modelling have enabled a revolution in the study in the fluvial morphodynamics in the last decade. Prior to the advent of electronic tacheometry in the 1990s, the analysis of channel dynamics was...
2007-12-01
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The semidiurnal mode-1 internal tide receives 0.1-0.3 TW from the surface tide and is capable of propagating across ocean basins. The ultimate fate of mode-1 energy after long-distance propagation is poorly constrained by existing observations and...
2013-09-05 (iso8601)
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Alongshore flow in the direction of propagation of coastal trapped waves can result in upwelling at the shelfbreak. The intensity of this upwelling can be comparable in magnitude to wind-driven coastal upwelling, with its associated ecological...
2011-11 (iso8601)
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Community re-assembly following future disturbances will often occur under warmer
and more moisture-limited conditions than when current communities assembled. Because
the establishment stage is regularly the most sensitive to climate and...
2015-02 (iso8601)
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A change to a warmer, drier climate beginning as early as 1900 was responsible
for triggering a dramatic, rapid retreat of Collier Glacier, Oregon, between 1924 and
1940. Although there was a dramatic decrease in precipitation contemporaneous with...
1995-03-07 (iso8601)
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58 x 46 cm., on sheet 84 x 87 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Contour interval 20 feet." "Prepared in cooperation with the U.S. Atomic Energy Commission." "Geology mapped in 1961. Limit of pluvial...
1965-04-26
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Scale 1:506,880. 1 in. to 8 miles (W 117°30--W 114°45/N 37°20--N 40°00). Relief shown by hachures and spot heights. At top left: 'Explorations & surveys west of the one-hundredth meridian.' At top right: 'Parts of Eastern & Southeastern Nevada &...
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CHAPTER XIII
Investigation Program For Department of Interior Continuing study is requisite for full attainment of the Columbia Basin's great potentialities. An outline of potential water resource and related developments has been... |
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Document: Appendices to Pacific Southwest Water Plan Review Draft "U.S. Geological Survey Appendix", August 1963, page 11
1963-08-01
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Journal: Anthropological Notes, University of Utah Department of Anthropology, "Outline History of the Glen Canyon Region 1776 - 1922", Number 42, September 1959, page 6
1959-09-01
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31. West Canyon; mouth at mile 50.8 River Map Sheet D. Cummings Mesa quad USGS 1953; a prior name for Aztec Creek (site 20), apparently adopted for this creek and canyon first on River Map (1922).
32. Music Temple; mouth at mile 75. 75 River Map...
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Topographic map of China Garden - part of Pauba Ranch showing proposed irrigation system - Area (North of road - 307 ft, South of road - 55 ft), turn out at well no. 30 - Pauba irrigation system - Vail Company - Corrected on May 9, 1920 (plan,...
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Cover title; At head of title: Department of the Interior, General Land Office
2008-01-23 2005-08-08 |
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1 map: col.; Relief shown by contours and spot height. Depths shown by contours and soundings; Shows Crater Lake and the Mount Mazama region; Base map: U.S. Geological Survey 1:62,500 special series Crater Lake National Park and vicinity, Oregon,...
2008-06-30 2009-06-16 |
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Historically the Columbia River was amongst the most productive salmonidbearing watersheds in North America. Currently, salmonid populations have collapsed and are estimated at ten percent of historic levels. Because of this, there are thirteen,...
2014-05-01
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Numerous field and analytical methods exist to assist in the quantification of the quantity and quality of in-stream habitat for salmonids. These methods range from field sketches or ‘tape and stick’ ground-based surveys, through to spatially...
2010-12-01
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Fine-scale (submeter) resolution digital elevation models (DEMs) created from high precision (subcentimeter) instruments (e.g., total station, rtkGPS, and laser scanning) have become ubiquitous in the field of fluvial geomorphology. They permit a...
2014-02-01
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In the productive central-Oregon coastal upwelling environment, wind-driven upwelling, tides, and topographic effects vary across the shelf, setting the stage for varied biogeochemical responses to physical drivers. Current, temperature, salinity,...
2013-10-02 (iso8601)
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