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651 - 675 of 881 Items << < 22 23 24 25 26 27 28 29 30 31 > >>
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Stocking characteristics and heights attained by tree
seedlings at ages five and seven were measured on 45 study
units, representing five habitat types, established on
clearcuts in the Abies amabilis zone in the Western Cascades
of Oregon. The...
1976-04-26 (iso8601)
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Knowledge of regional-scale patterns of plant community structure and controlling factors is largely qualitative and based on numerous local studies. Data from a subsample of 10,000 field plots were used to quantify and map compositional gradients...
1995-11-29 (iso8601)
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This investigation on fire mosaics addressed several aspects:
(1) quantifying the role of terrain variables in fire-related
mortality and historical mean fire return interval (MFRI), (2)
comparing post-burn Landsat Thematic Mapper (TM) imagery,...
1996-02-16 (iso8601)
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The management of existing forest road systems is an issue of growing importance and
public debate. Roads can alter the hydrologic processes in a watershed especially at stream crossing culverts where road ditches channel runoff directly into the...
2004-04-30 (iso8601)
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The Salt Range is clearly the active participant in the scenario of the progressive southward migration of the Himalayan thrust front. It extends approximately 180 km ENE along strike and is underlain by salt. This is manifested by its very narrow...
1991-09-26 (iso8601)
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The movements, habitat use, and activity patterns of black-tailed deer in western Oregon, and the influence of suburban housing developments on the behavior of deer in the area, were studied and described. Radio telemetry, spotlight censusing, and...
1982-11-18 (iso8601)
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In the area surrounding Clarno, Oregon, pre-Cretaceous metamorphics, Cretaceous marine sediments, and a varied assemblage of Tertiary volcanic rocks are known. The oldest exposures are of an homogeneously fine-grained, mildly metamorphosed, limy...
1960-05-02 (iso8601)
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The basaltic landscapes of the Oregon High Cascades form a natural laboratory for examining how geologic setting and history influence groundwater flowpaths, streamflow sensitivity to climate, and landscape evolution. In the High Cascades, highly...
2006-10-13T20:00:22Z (iso8601)
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Topographic Map of Santo Domingo and San Felipe
2006-04-20 |
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58 x 46 cm., on sheet 77 x 84 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Base by U.S. Geological Survey, 1960." "Geology mapped in 1962-64." "Contour interval 20 feet." Includes 2 col. cross sections,...
1967-05-05
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58 x 46 cm., on sheet 84 x 100 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Base by U.S. Geological Survey, 1961." "Geology mapped in 1961-65." "Contour interval 20 feet." Includes 3 col. cross sections, 1 index...
1967-05-05
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Map of the Las Vegas area showing the locations most likely to be flooded.
1973-05-05
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units, have a significant place in the development of water and other resources. Through such studies, a full understanding of total potentialities is obtained and a firm basis is provided for evaluating the merits of alternative development...
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tion on the west-facing slopes tends to increase rapidly with elevation, reaching 46 inches at Roland, Idaho, with elevation of 4,150 feet.
Distribution of the precipitation is markedly seasonal, the maximum occurring during the winter. At...
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Document: "Pacific Southwest Water Plan- Corrected to 8/19" Table of Contents, August 19, 1964, page iv
1963-08-19
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Document: Pacific Southwest Water Plan "Printed Copy" Chapter I, August 26 ,1963 page 1
1963-08-26
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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 106
1959-09-01
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Document: A possible route to transport water from Columiba River to Colorado River, July? 1966 (themofax), page 1
1966-07-01
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Here, we retraced our path to the Signal road intersection with Highway 93 and drove down the Signal road to the Big Sandy River. Previous surveys had projected the outlet of the Bridge Canyon Tunnel to hit the Big Sandy about two (2) miles north...
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MAPS
Anon.
1900 Map of Boundary Line Between the State of Utah and the Territory of Arizona 1900. (MS. Survey Office, U. S. Bureau of Land Management, Salt Lake City. 8 plates.)
Bishop, F. M.
1871 Map of the Exploring Expedition of J. W. Powell...
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GEOLOGICAL SURVEY
A PROGRAM IN THE PACIFIC SOUTHWEST
INTRODUCTION
For purposes of this program statement, the Pacific Southwest comprises the lower basin of the Colorado River (below Lee Ferry, Arizona) and its water-service area to the west....
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Page
CHAPTER IX - STUDY AND RESEARCH IX-1
Canal Lining and Sealants IX-1
Evaporation Reduction IX-2
Weather Modification IX-3
Water Reclamation and Reuse IX-3
Watershed Management and Improvement IX-3
Ground-Water Investigations IX-4...
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area. It is clear that this area must look to other sources for its future water supplies. As water needs multiply, water shortages will increase and a regional approach, transcending State boundaries, will be required to permit the economy to go...
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Sections 32 and 33 T9N R70 W. Scale 1 in. = 10 ft. Topographic. Shows city's filter plant in Poudre Canyon.
2007-01-02 2007-01-02 |
