Geological Laboratory of Natural Resources, San Juan, Puerto Rico
By: U.S. Geological Survey
Contributors: Geological Survey (U.S.)
Publisher: U.S. Geological Survey; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1974
Place of publication: [Reston, VA]; Washington, D.C
Language: eng
Subjects: Geological Laboratory of Natural Resources (San Juan, P.R.)