All rights reserved by the source institution and holding location.
0 1 2 3 4 MILES
0 1 2 3 4 8 KILOMETERS
Fig. 8 Map Showing Extension of the San Juan Metropolitan Area.
1. Geology of the Middle Tertiary Formations of Puerto
Rico, U.S.G.S. Professional Paper 953.
2. Planning Report for the Comprehensive Appraisal) of the
ground-water Resources of the North Coast Limestone Area
of Puerto Rico, U.S.G.S. Open File Data Report 84427.