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Surface-water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91
Joyner Library
- Fed Docs Stacks
Call Number:
I 19.42/4:97-4048
Microbiological quality of water from noncommunity supply wells in carbonate and crystalline aquifers of Pennsylvania
Joyner Library
- Fed Docs Stacks
Call Number:
I 19.42/4:01-4268