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Trends and status of flow, nutrients, and sediments for selected nontidal sites in the Chesapeake Bay watershed, 1985-98 [microform] / by Michael J. Langland ... [et al.] (Open-file report ; 99-451)

Trends and status of flow, nutrients, and sediments for selected nontidal sites in the Chesapeake Bay watershed, 1985-98 [microform] / by Michael J. Langland ... [et al.] (Open-file report ; 99-451)
Microform図書
2000<YCA-I 19.76:99-451>
National Diet Library
  • Author HeadingLangland, Michael J Geological Survey (U.S.)

Status yields and trends of nutrients and sediment and methods of analysis for nontidal data-collection programs, Chesapeake Bay basin, 1985-96 [microform] / by Michael J. Langland, Robert E. Edwards, and Linda C. Darrell (Open-file report ; 98-17)

Status yields and trends of nutrients and sediment and methods of analysis for nontidal data-collection programs, Chesapeake Bay basin, 1985-96 [microform] / by Michael J. Langland, Robert E. Edwards, and Linda C. Darrell (Open-file report ; 98-17)
Microform図書
1998<YCA-I 19.76:98-17>
National Diet Library
  • Author HeadingLangland, Michael J Edwards, Robert E. (Robert Ed...

Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management / by Michael J. Langland and David K. Fishel ; prepared in cooperation with the Susquehanna River Basin Commission and the Pennsylvania Department of Environmental Resources, Bureau of Land and Water Conservation. (Water-resources investigations report ; 95-4195)

Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management / by Michael J. Langland and David K. Fishel ; prepared in cooperation with the Susquehanna River Basin Commission and the Pennsylvania Department of Environmental Resources, Bureau of Land and Water Conservation. (Water-resources investigations report ; 95-4195)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1996.<ME354-A77>
National Diet Library
  • Author HeadingLangland, Michael J. Fishel, David K.

Hydrology and the effects of selected agricultural best-management practices in the Bald Eagle Creek watershed, York County, Pennsylvania, prior to and during nutrient management : water-quality study for the Chesapeake Bay Program / by Michael J. Langland and David K. Fishel. (Water-resources investigations report ; 93-4069)

Hydrology and the effects of selected agricultural best-management practices in the Bald Eagle Creek watershed, York County, Pennsylvania, prior to and during nutrient management : water-quality study for the Chesapeake Bay Program / by Michael J. Langland and David K. Fishel. (Water-resources investigations report ; 93-4069)
Paper図書
U.S. Geological Survey1995.<NA217-A305>
National Diet Library
  • Author HeadingLangland, Michael J. Fishel, David K. Geological ...

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