1. Chemical modeling of aqueous systems II Publication/Creation: Washington, DC : American Chemical Society, 1990 Resource Type: Book Access & Availability: Loading
2. Citizen's guide to ground-water protection Publication/Creation: [Washington, D.C.] : Office of Ground-Water Protection, Office of Water, U.S. Environmental Protection Agency, [1990] Resource Type: Book Access & Availability: Loading
3. Computerized stratified random site-selection approaches for design of a ground-water-quality sampling network Author/Creator: Scott, J. C., author Publication/Creation: Oklahoma City, Oklahoma : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading
4. Computerized stratified random site-selection approaches for design of a ground-water-quality sampling network Author/Creator: Scott, J. C., author Publication/Creation: Oklahoma City, Oklahoma : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading