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251 - 275 of 881 Items << < 6 7 8 9 10 11 12 13 14 15 > >>
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1 map in 21 sheets (14 plans, 7 profiles): col. ; 46 x 64 cm. Notes Relief shown by contours. Each sheet includes a key map. Surveys for individual sheets conducted 1919-23. Library has: Sheets I (2 copies), J, K, L, M, and N only. "Contour...
2024-04-27
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Sections 32 - 34 T8N R69W, sections 3 and 4 T7N R69W. Scale 1 in. = 200 ft. Shows Cache la Poudre River, ditches, surface of ground water contours, and the direction of the underflow.
2007-01-02 2007-01-02 |
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The lecturer at the Government's free grandstand and vista house displays a topographic model of the damsite showing conditions prior to any construction. The object in the river is the old Seaton Ferry."(Note: This and following five pictures...
2024-04-27
2024-04-27 |
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1 map : col. ; 23 x 19 cm. Edition : Ed. of May 1915, reprinted 1947. Relief shown by contours and spot heights. "Surveyed in 1907 and 1909." "Contour interval 200 feet. Datum is mean sea level." Title at lower right: Mt. Baker dist., Wash. Scale...
2024-04-27
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The Plans and Profiles of Oregon Rivers consist of detailed maps and profiles of rivers and streams, dam sites, and reservoirs, primarily in Oregon. The collection also includes some rivers in the bordering states of Washington, Idaho, and...
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Project Chariot was a proposed nuclear
excavation at Cape Thompson that was intended to create a harbor in an area
south of Point Hope. This collection contains papers from the files of
University of Alaska faculty members as well as...
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the Garfield Canal, 39.2 miles long, heading at the lower end of the West Divide Tunnel. Two reservoirs along the route of the conveyance system would regulate Osgood Reservoir releases in excess of immediate irrigation needs as well as surplus...
2008-12-01
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In the summers of 1998 and 1999, aquatic invertebrate and plant communities were
sampled from nineteen springs in the Warner Basin of southeastern Oregon. Across
the landscape, these springs exhibited a broad range in water temperature (5-24°C),...
2000-10-23 (iso8601)
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The state of the knowledge for fault behavior in the northwest Himalaya and California varies dramatically. In the Pakistan and Kashmir Himalaya, few data constrain the role that individual active faults play in accommodating Indo-Eurasian...
2014-08-15 (iso8601)
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Upwelling jets flow alongshore in approximate geostrophic balance with the onshore pressure gradient induced by coastal upwelling. Observations of such jets have shown that they often move offshore downstream of capes, leaving a pool of upwelled...
2001-01 (iso8601)
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Historical vegetation at the time of European settlement is of great interest to both the public and
land managers, but is poorly documented. One source of data are the earliest land survey records of
the General Land Office (GLO). Rectangular...
2011-10-31 (iso8601)
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Montane meadows comprise a small area of the predominantly forested landscape
of the Oregon Cascade Range. Tree encroachment in the last century in these areas has
threatened a loss of biodiversity and habitat. Climate change in the coming century...
2009-12-11 (iso8601)
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Riparian areas that can be used as reference sites on which to base goals of vegetation restoration have not been documented in the Oregon Coast Range. I examined the composition and distribution of unmanaged riparian overstories in the central...
1996-11-25 (iso8601)
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The analysis of material and energy exchange between the marine and terrestrial components of island ecosystems enables research into the impact of human population and land use on the health of coral reef habitat. Satellite and acoustic remote...
2008-07-14T23:09:49Z (iso8601)
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literally blanketed the region with topographic maps of exceptional value. Using the maps of the Powell, Wheeler, and Hayden surveys as base and filling in the blanks with further surveys, the United States Geological Survey, under Powell's...
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Other examples would include the influence of land-use practices and of vegetation modification on the hydrologic regimen; the drought tolerance of various species of phreatophytes; the relation between depth of water table and consumptive use by...
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Sections 32 - 34 T8N R69W, sections 3 and 4 T7N R69W. Scale 1 in. = 200 ft. Shows Cache la Poudre River, Great Western Sugar Channel and Direction of Flow.
2007-01-02 2007-01-02 |
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"Submitted to Klamath Falls Resource Area, Bureau of Land Management, Lakeview District, Klamath Falls, Oregon." ; "Contract no.: HAP032021."; Includes bibliographical references (p. 178-200)
2024-04-27
2008-03-28 2007-02-16 |
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Pages 14-18 blank; "OF - 02 - 004"
2024-04-27
2005-06-13 2005-03-15 |
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Increasing availability of high‐resolution (1 m) topography data and enhanced computational processing power present new opportunities to study landscape organization at a detail not possible before. Here we propose the use of “directed distance...
2011-01-01
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