TY  - RPRT
TI  - Standard procedures and quality-control practices for the U.S. Geological Survey National Field Quality Assurance Program from 1982 through 1993
AU  - D.L. Stanley
PY  - 1995
DO  - 10.3133/ofr95317
UR  - https://pubs.usgs.gov/publication/ofr95317
ID  - ofr95317
ER  -