Digital data sets describing principal aquifers, surficial geology, and ground-water regions of the conterminous United States
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Abstract
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Digital data sets describing principal aquifers, surficial geology, and ground-water regions of the conterminous United States |
| Series title | Open-File Report |
| Series number | 99-77 |
| DOI | 10.3133/ofr9977 |
| Year Published | 1999 |
| Language | ENGLISH |
| Publisher | USGS, |
| Description | illus., 10 refs |