Yazar
Connie A Loper
3 cilt bulundu.
Cilt sonuçları
A snapshot evaluation of stream environmental quality in the Little Conestoga Creek Basin, Lancaster County, Pennsylvania
Connie A Loper · U.S. Dept. of the Interior, U.S. Geological Survey
Sayfa sayısı yok · 1998
Nutrient pollution of water / Aquatic insects / Water quality
Sediment loads, discharges, and yields in the East Branch Mahoning Creek Basin, Clearfield and Jefferson Counties, Pennsylvania, June 1979 through September 1981
Connie A Loper · Dept. of the Interior, U.S. Geological Survey
26 sayfa · 1988
Suspended sediments / Stream measurements
Withdrawals and consumptive use of water in Pennsylvania, 1984
Connie A Loper · Dept. of the Interior, U.S. Geological Survey
50 sayfa · 1989
Statistics / Water withdrawals / Water consumption / Water use