Maps showing characteristics of the Isabela offshore sand deposit, northwestern Puerto Rico /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.), Puerto Rico. Department of Natural Resources
Other Authors:	Trias, Juan L.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey ; 1990.
Series:	Miscellaneous field studies ; map MF-2136.
Subjects:	Sand > Puerto Rico > Maps.

Description
Item Description:	Depths shown by isolines. Includes text, bibliography, table, index map, and profiles. Cartographic material.
Physical Description:	7 maps on 1 sheet ; 30 x 60 cm. and 15 x 30 cm., sheet 98 x 135 cm., folded in envelope 30 x 24 cm.