TY  - RPRT
TI  - Operational Procedures for Collecting Water-Quality Samples at Monitoring Sites on Maple Creek Near Nickerson and the Platte River at Louisville, Eastern Nebraska
AU  - Steven M. Johnson
AU  - Robert B. Swanson
PY  - 1994
DO  - 10.3133/ofr94121
UR  - https://pubs.usgs.gov/publication/ofr94121
ID  - ofr94121
ER  -