| Acronym | Meaning |
 | NHIC | National Health Information Center |
| NINR | National Institute Of Nursing Research |
| SNL | Sandia National Laboratories |
| EDGAR | Electronic Data Gathering |
| FS | Forest Service |
| CEN | Bureau Of The Census |
| PUMS | Public Use Microdata Samples |
| FIPS | Federal Information Processing Standard |
| RD | Rural Development |
| NASA | National Aeronautics And Space Administration |
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