TY  - RPRT
TI  - Summary of the U.S. Geological Survey National Field Quality Assurance Program from 1979 through 1989
AU  - D.L. Stanley
AU  - W. J. Shampine
AU  - L.J. Schroder
PY  - 1992
DO  - 10.3133/ofr92163
UR  - https://pubs.usgs.gov/publication/ofr92163
ID  - ofr92163
ER  -