NE: lon: -64.73161 lat: 17.79139 SE: lon: -64.72022 lat: 17.75467 SW: lon: -64.77546 lat: 17.73921 NW: lon: -64.78095 lat: 17.77758
Mosaicked images were originally photographed at 1:30,000 or 1:20,000, and scanned from diapositives at a resolution of 25 microns, with pixel size of 0.5 x 0.5 m.
Residuals in meters (root mean square error): 1971 x: 1.90 y: 1.38 1977 x: 1.83 y: 1.86
Pixel size: 0.5 x 0.5 m