Geologic and hydrologic data collected at test hole NC-8, Vega Alta, Puerto Rico
Open-File Report
93-466
By: Jesús Rodríguez-Martínez and Richard A. Scharlach
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Abstract
Test hole NC-8 was drilled in the municipality of Vega Alta as part of a study of the aquifers in the Northern Coastal Province of Puerto Rico. Test hole NC-8 was drilled to a depth of 1,736 feet below land surface. Geologic and hydrologic data collected during drilling included continuous core, water- quality samples, water-level measurements, and estimates of aquifer yields from the water-bearing zones. Test hole NC-8 penetrated five geologic formations of middle Tertiary age: the Aymamon Limestone, the Los Puertos Formation, the Cibao Formation, the Lares Limestone, and the San Sebastian Formation. Test hole NC-8 penetrated a water-table aquifer and seven artesian aquifers.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geologic and hydrologic data collected at test hole NC-8, Vega Alta, Puerto Rico |
| Series title | Open-File Report |
| Series number | 93-466 |
| DOI | 10.3133/ofr93466 |
| Edition | - |
| Year Published | 1994 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey ; USGS Earth Science Information Center, Open-File Reports Section [distributor], |
| Description | iv, 16 p. :ill., maps ;28 cm. |
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