GROUND WATER ATLAS of the UNITED STATES
Alaska, Hawaii, Puerto Rico and the U. S. Virgin Islands
HA 730-N
Puerto Rico and the U. S. Virgin Islands Alluvial valley aquifers
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Ground-Water Quality
Table 6 Table showing the chemical constituents in ground
water from the Humacao-Naguabo area (44K)
editable eps file Ntab06.eps.gz
(376K compressed)
Figure 85 Map showing chloride concentration
levels in water from the Humacao-Naguabo aquifer system (36K)
editable eps file N085.eps.gz
(164K compressed)