61. Nomenclature of regional hydrogeologic units of the Southeastern Coastal Plain aquifer system Author/Creator: Miller, James A. 1939- (James Anderson), author Publication/Creation: Atlanta, Georgia : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
62. Nonpoint-source agricultural chemicals in ground water in Nebraska : preliminary results for six areas of the High Plains aquifer Author/Creator: Chen, Hsiu-Hsiung, 1937- author Publication/Creation: Lincoln, Nebraska : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
63. Natural flow and water consumption in the Milk River basin, Montana and Alberta, Canada Author/Creator: Thompson, R. E. (Ronald E.), author Publication/Creation: [Helena, Mont.] : U.S. Geological Survey, [1986?] Resource Type: Book Access & Availability: Loading
64. Numerical simulation of advective-dispersive multisolute transport with sorption, ion exchange, and equilibrium chemistry Author/Creator: Lewis, Frank M., author Publication/Creation: Reston, Virginia : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
65. Nonpoint-source discharges and water quality of the Elk Creek Basin, west-central Wisconsin Author/Creator: Field, Stephen J. 1935- (Stephen John), author Publication/Creation: [Reston, Virginia] : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
66. Nitrate in the Columbia aquifer, central Delmarva Peninsula, Maryland Author/Creator: Bachman, L. Joseph, author Publication/Creation: Towson, Maryland : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
67. Nitrogen, sulfate, chloride, and manganese in ground water in the alluvial deposits of the South Platte River Valley near Greeley, Weld County, Colorado Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
68. Numerical simulation of the high plains regional aquifer, northwestern Oklahoma Author/Creator: Havens, John S., author Publication/Creation: Oklahoma City, Oklahoma : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
69. Numerical simulation of ground-water flow in lower Satus Creek Basin, Yakima Indian reservation, Washington Author/Creator: Prych, Edmund A., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1983 Resource Type: Book Access & Availability: Loading
70. Numerical simulation of the alluvium and terrace aquifer along the north Canadian River from Canton Lake to Lake Overholser, central Oklahoma Author/Creator: Christenson, Scott C., author Publication/Creation: Oklahoma City, Oklahoma : U.S. Geological Survey, 1983 Resource Type: Book Access & Availability: Loading