1. Factors affecting phosphorus transport at a conventionally-farmed site in Lancaster County, Pennsylvania, 1992-95 Author/Creator: Galeone, Daniel G., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
2. Filtration of water-sediment samples for the determination of organic compounds Author/Creator: Sandstrom, Mark W. (Mark William), author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading