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			Photo #: NM21-763-30 Date: Jun. 1996 Geographic Region: USA-NEBRASKA Feature: N. PLATTE R., RES., DUNES



	NM21-763-030 Lake C. W. McConaughy and Sand Hills, Nebraska, U.S.A. Winter 1995-1996 Featured in this northeast-looking, low-oblique photograph are the Kingsley Dam and Lake C. W. McConaughy on the North Platte River, which separates the agricultural south from the Sand Hills to the north. The lake provides water for public water systems, irrigation, and recreation. The Sand Hills, formed during the ice ages and covering 20 000 square miles (50 000 square kilometers), is the largest sand dune complex in the Western Hemisphere. Most are transverse dunes--some as high as 300 feet (90 meters) and 10 miles (16 kilometers) long. Many Sand Hills valleys distant from major streams contain wet meadows or small, shallow lakes, some of which rise and fall with the fluctuating water table. The flat valleys of both the North Platte River and the South Platte River (bottom center) were followed by pioneers moving west from the eastern United States. The first transcontinental railroad also followed this route.

Images:	All Available Images Low-Resolution 153k
Mission:	NM21
Roll - Frame:	763 - 30
Geographical Name:	USA-NEBRASKA
Features:	N. PLATTE R., RES., DUNES
Center Lat x Lon:	41.5N x 102W
Film Exposure:	N	N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP:	20
Camera:	HB
Camera Tilt:	38	LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length:	250
Nadir to Photo Center Direction:	N	The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?:	Y	Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number:	999
Date:	19960629	YYYYMMDD
Time:	185805	GMT HHMMSS
Nadir Lat:	38.8N	Latitude of suborbital point of spacecraft
Nadir Lon:	102W	Longitude of suborbital point of spacecraft
Sun Azimuth:	186	Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude:	209	nautical miles
Sun Elevation:	75	Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views:	DUNE, PLAIN
Water Views:	RIVER, LAKE
Atmosphere Views:
Man Made Views:	AGRICULTURE
City Views:

Photo is not associated with any sequences

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