Hydrogeologic Setting and Simulation of Pesticide Fate and Transport in the Unsaturated Zone of a Regolith-mantled, Carbonate-rock Terrain Near Newville, Pennsylvania

Blood and Guts: Rules, Tactics, and Scenarios for Wargaming World War Two

Evaluation of Agricultural Best-management Practices in the Conestoga River Headwaters, Pennsylvania: Effects of Nutrient Management on Quality of Surface Runoff at a Small Carbonate-rock Site Near Ephrata, Pennsylvania, 1984-90

Evaluation of Agricultural Best-management Practices in the Conestoga River Headwaters, Pennsylvania: Effects of Nutrient Management on Quality of Surface Runoff at a Small Carbonate-rock Site Near Ephrata, Pennsylvania, 1984-90

Forensic Botany: A Practical Guide

Evaluation of Agricultural Best-management Practices in the Conestoga River Headwaters, Pennsylvania: Effects of Pipe-outlet Terracing on Quantity and Quality of Surface Runoff and Ground Water in a Small Carbonate-rock Basin Near Churchtown, Pennsylvania, 1983-89

Evaluation of Agricultural Best-management Practices in the Conestoga River Headwaters, Pennsylvania: Effects of Pipe-outlet Terracing on Quantity and Quality of Surface Runoff and Ground Water in a Small Carbonate-rock Basin Near Churchtown, Pennsylvania, 1983-89

Distribution and Transport of Polychlorinated Biphenyls and Associated Particulates in the Milwaukee River System, Wisconsin, 1993-95

Distribution and Transport of Polychlorinated Biphenyls and Associated Particulates in the Hayton Millpond, South Branch Manitowoc River, 1993-95