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51 - 75 of 881 Items << < 1 2 3 4 5 6 7 8 9 10 > >>
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1 map: col.; "The black line indicates the sectional represented in the vertical section of Plate XVI." - included in the thesis text for Plate XV.; Relief shown by contours and spot heights. Depths shown by bathymetric soundings (in feet) by...
2025-02-21
2009-06-12 2009-06-16 |
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1 map : 45 x 31 cm. or smaller. "Advance sheet 1658:34/35". Compiled from "R. R> Alignment Maps of Northern Pacific R. R. Chicago, Milwaukee & St. Paul R. R. Great Northern R. R. Land lines and general data from U.S.G.S. map of Washington....
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1 map : 45 x 31 cm. or smaller. Relief shown by contours, hachures, and spot heights. Title supplied by cataloger. Set includes various editions. "General data from Northern Boundary Survey Okanogan National Forest Map, 1918." "Contour interval...
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1904 and 1914". "Contour interval 50 feet. Datum is mean sea level." "Edition of 1917"....
2025-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1916". "Contour interval 50 feet. Datum is mean sea level.". Scale 1:125,000 ; Polyconic...
2025-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1919-1920". "Contour interval 50 feet. Datum is mean sea level." Diagram depicts which...
2025-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1897 and 1902". "Contour interval 100 feet. Datum is mean sea level." Scale 1:125,000 ;...
1962-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1897-99". "Contour interval 100 feet. Datum is mean sea level." Scale 1:125,000 ; polyconic...
2025-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1902". "Contour interval 100 feet. Datum is mean sea level." Scale 1:125,000 ; polyconic...
2025-02-21
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A severe decline in Columbia River salmonid populations and subsequent Federal listing of subpopulations has mandated both the monitoring of populations and evaluation of the status of available habitat. Numerous field and analytical methods exist...
2011-01-01
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This 19 page report is an abstract describing the operations of the Geographical and Geological Survey of the Rocky Mountain Region. Organized into two sections according to the field seasons for 1876 and 1877, it lists each field party, its...
1877-02-21
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Scale 1:24,000 ; polyconic proj. (W 115°0730--W 115°0000/N 36°0730--N 36°0000) ; 1 map : col. ; 58 x 47 cm ; 7.5 minute series (topographic) ; Relief shown by contours and spot heights ; Filing title: Las Vegas SE, Nev ; "DMA 2956 II SE--Series...
1984-02-21
1984-02-21 |
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Scale 1:24,000 ; polyconic proj. (W 115°730--W 115°0000/N 36°1500--N 36°730) ; 1 map : col. ; 58 x 47 cm ; 7.5 minute series (topographic) ; Relief shown by contours and spot heights ; Filing title: Las Vegas NE, Nev ; "AMS 2956 II NE--Series...
1967-02-21
1967-02-21 |
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81. Mile 160.3 - 161 River Map Sheet K, left bank, topographic map Hunt et al. 1953; placer mining operation; prospect pits and mine adit, remains of mining machinery.
82. Kohler Cabin; mile 166.2 River Map Sheet K right bank, topographic map...
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Subject series H. Forestry 6
2025-02-21
2007-12-05 2007-07-25 |
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1 map : 45 x 31 cm. or smaller. "Advance sheet 80-N-II&IV". Compiled from "R. R. Alignment Maps of Northern Pacific R. R., Oregon Washington R. R. & Navigation Co., Spokane Portland & Seattle R. R. Land lines and general data from Map of Walla...
2025-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1906". "Contour interval 50 feet. Datum is mean sea level." "Elevations on this sheet are...
1962-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1903-1904". "Contour interval 100 feet. Datum is mean sea level." Scale 1:125,000 ;...
1964-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1910". "Contour interval 50 feet. Datum is mean sea level." Diagram depicts which...
2025-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1910-1911". Contour interval 100 feet. Datum is mean sea level." Scale 1:125,000 (W...
2025-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1893-94-95". "Contour interval 50 feet". "Surveyed by reconnaissance methods". Scale...
2025-02-21
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1 map : col. ; 45 x 31 cm. or smaller. Relief shown by contours and spot heights. Title supplied by cataloger. Set includes various editions. "Surveyed in 1901-1902". "Contour interval 100 feet. Datum is mean sea level." Scale 1:125,000 ;...
1965-02-21
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1 map : 45 x 31 cm. or smaller. Relief shown by hachures and spot heights. Title supplied by cataloger. Set includes various editions. "Advance sheet 48-N-E/2". "Contour Interval 500 feet. Datum is mean sea level". Scale 1:125,000 (W 120°30--W...
2025-02-21
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Topography is an important land surface attribute for hydrology that, in the form of Digital Elevation Models (DEMs), is widely used to derive information for the modeling of hydrologic processes. Much hydrologic terrain analysis is conditioned...
2008-01-01
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Technological advances over the past two decades in remotely-sensed and ground-based topographic surveying technologies have made the rapid acquisition of topographic data in the fluvial environment possible at spatial resolutions and extents...
2007-12-01
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