By Canino Salgado, Marcelino J..
San Juan, P.R. Ediciones Puerto 2003 .
223 p. 24 cm..
0942347722

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maps , map photoinspected 19_, no major culture or drainage changes observed | Revisions sown in purple compiled from aerial photographs | Includes quadrangel location map | Relief shown by contours and spot heights 69 x 56cm.

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maps , map photoinspected 19_, no major culture or drainage changes observed | Revisions sown in purple compiled from aerial photographs | Includes quadrangel location map | Relief shown by contours and spot heights 69 x 56cm.