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  Image: Geographic Location Direction Photo #: STS056-77-61 Date: Apr. 1993
Geographic Region: USA-TEXAS

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  STS056-077-061 Rio Grande Delta, Texas, U.S.A. April 1993
The flat floodplain of the Rio Grande and a large part of its delta are visible in this synoptic photograph of the southern tip of Texas. The diverse coastal area includes tidal flats; sand dunes; floodplain deposits; and Laguna Madre, whose shallowness allows small waves to keep the sand in suspension, thereby producing a sandy-looking water. The Intracoastal Waterway between Padre Island and the mainland requires constant dredging to keep it and other channels open for ship traffic. The northern part of Mexico's highly reflective Laguna Madre is visible (lower right corner). The speckled landscape (upper left edge) shows nonvegetated sand dunes; darker areas denote sandy soils where vegetative cover provides some stability for the shifting sands; and the lighter inland areas show the greatest concentration of agricultural activity, primarily north of the United States-Mexico border.
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Images: All Available Images Low-Resolution 347k
Mission: STS056  
Roll - Frame: 77 - 61
Geographical Name: USA-TEXAS  
Center Lat x Lon: 26.5N x 97.5W
Film Exposure: N   N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP: 0
Camera: HB
Camera Tilt: 27   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 100  
Nadir to Photo Center Direction: NE   The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?: N   Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number: 39  
Date: 19930410   YYYYMMDD
Time: 151729   GMT HHMMSS
Nadir Lat: 25.6N  
Latitude of suborbital point of spacecraft
Nadir Lon: 98.5W  
Longitude of suborbital point of spacecraft
Sun Azimuth: 101   Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude: 161   nautical miles
Sun Elevation: 40   Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views: COAST, PLAIN, DUNE  
Water Views: GULF, LAGOON  
Atmosphere Views:  
Man Made Views: AGRICULTURE  
City Views:  
Photo is not associated with any sequences

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