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  Image: Geographic Location Direction Photo #: STS090-758-22 Date: Apr. 1998
Geographic Region: USA-CALIFORNIA

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  STS090-758-022 Imperial Valley, California, USA April 1997
The border between the United States and Mexico consists of intensively cultivated field patterns. This area is the Imperial Valley of south central California. Although the extensive array of large productive fields is located in a desert environment, the image indicates where effective irrigation (from water provided by the Colorado River) has turned this normally arid landscape into a highly productive agricultural region. The only disruptions to the cultivated landscape are a few cities on the U. S. side of the border (El Centro, Calexico, Brawley, and Holtville) and the much large city of Mexicali on the Mexican side of the border. Notice that there is an obvious difference in land management and ownership on the two sides of the border. Several canals, mainly the Westside Main Canal (white, winding, feature), are used for irrigation purposes and can be traced across the plain of the Imperial Valley. The greenish looking feature in the southwest corner of the image is the northern tip of Laguna Salada.
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Images: All Available Images Low-Resolution 357k
Mission: STS090  
Roll - Frame: 758 - 22
Geographical Name: USA-CALIFORNIA  
Center Lat x Lon: 33.0N x 115.5W
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: 22   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 250  
Nadir to Photo Center Direction: NW   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: 50  
Date: 19980420   YYYYMMDD
Time: 194547   GMT HHMMSS
Nadir Lat: 32.6N  
Latitude of suborbital point of spacecraft
Nadir Lon: 114.7W  
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: 136   nautical miles
Sun Elevation: 69   Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views: DESERT  
Water Views: CANAL, LAGOON  
Atmosphere Views:  
City Views:  
Photo is not associated with any sequences

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