Region |
Image Projection Parameters |
Data Table |
Aleutian Arc |
Projection: Lambert Conformal Conic
Datum - Ellipsoid: WGS84
Longitude of True Origin: 177o W
1st Standard Parallel: 59o N
2nd Standard Parallel: 50o N |
|
Atlantic Coast |
Projection: Albers Conical Equal-Area
Datum - Ellipsoid: Clarke 1866 / NAD27
1st Standard Parallel: 29o 30' N
2nd Standard Parallel: 45o 30' N
Longitude of True Origin: For individual quadrangles is the center longitude of the individual map area. See the georeference report for the specific values. For the composite mosaic the Longitude of True Origin is 73o W |
|
Bering Sea |
Projection: Lambert Conformal Conic
Datum - Ellipsoid: Clarke 1866 / NAD27
Longitude of True Origin: 177o W
1st Standard Parallel: 59o N
2nd Standard Parallel: 50o N |
|
Cayman Trough |
Projection: Mercator
Datum - Ellipsoid: Clarke 1866 / NAD27
True Origin: 81o9' W 18o30' N |
|
Gulf of Alaska |
Projection: Lambert Conformal Conic
Datum - Ellipsoid: WGS84
Longitude of True Origin: 144o W
Latitude of True Origin:55o N
1st Standard Parallel: 59o N
2nd Standard Parallel: 50o N |
|
Gulf of Mexico |
Projection: Albers Conic Equal-Area
Datum - Ellipsoid: Clarke 1866 / NAD27
Longitude of True Origin: 88o W
1st Standard Parallel: 45o30' N
2nd Standard Parallel: 29o30' N
Longitude of True Origin: For individual quadrangles is the center longitude of the individual map area. See the georeference report for the specific values. For the composite mosaic the Longitude of True Origin is 88o W |
|
Hawaii I |
Projection: Lambert Conformal Conic
Datum - Ellipsoid: WGS84
Longitude of True Origin: 160o W
1st Standard Parallel: 29o N
2nd Standard Parallel: 18o N
|
|
Hawaii II |
Projection: Lambert Conformal Conic
Datum - Ellipsoid: WGS84
Longitude of True Origin: 169o W
1st Standard Parallel: 29o N
2nd Standard Parallel: 18o N |
|
Hawaii III |
Projection: Lambert Conformal Conic
Datum - Ellipsoid: WGS84
Longitude of True Origin: 178o W
1st Standard Parallel: 29o N
2nd Standard Parallel: 18o N |
|
Johnston Atoll |
Projection: Lambert Conformal Conic
Datum - Ellipsoid: WGS84
Longitude of True Origin: 170o W
1st Standard Parallel: 29o N
2nd Standard Parallel: 18o N |
|
Kingman-Palmyra |
Projection: Lambert Conformal Conic
Datum - Ellipsoid: WGS84
Longitude of True Origin: 161o 45' W
1st Standard Parallel: 10o N
2nd Standard Parallel: 4o N |
|
Pacific Coast |
Projection: Transverse Mercator
Datum - Ellipsoid: NAD27
Longitude of True Origin: 124o 30' W |
|
Puerto Rico |
Projection: Albers Conic Equal-Area
Datum - Ellipsoid: Clarke 1866 / NAD27
Longitude of True Origin: 66o15' W
1st Standard Parallel: 45o30'n
2nd Standard Parallel: 29o30'n
Longitude of True Origin: For individual quadrangles is the center longitude of the individual map area. See the georeference report for the specific values. For the composite mosaic the Longitude of True Origin is 66o15' W |
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