Search Results for the EPA National Library Catalog

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Starfishes, serpent stars, sea urchins and sea cucumbers of the Northeast. 1972
Stratigraphy of the Glenns Ferry Formation from Hammett to Hagerman, Idaho / 1972
Study of commercially important estuarine-dependent industrial fishes. 1972
Study of the blue crab fishery in Louisiana. 1972
Sulfur compounds in crude oil, 1972
The Colebrooke Schist of southwestern Oregon and its relation to the tectonic evolution of the region / 1972
The caddis flies, or Trichoptera, of Illinois 1972
The ground-water observation-well program in Pennsylvania / 1972
A guide to aquatic smartweeds (Polygonum) of the United States 1971
Blasting vibrations and their effects on structures. 1971
Cretaceous and lower Tertiary stratigraphy of the Gurabo and El Yunque quadrangles, Puerto Rico : a description of the largely marine-deposited volcaniclastic rocks and subordinate lava flows and pelagic mudstones that underlie this part of eastern Puerto Rico / 1971
Estimated return periods for short-duration precipitation in Utah. 1971
Geology and land use in eastern Washington County, Pennsylvania, California and Monongahela 7 1/2-minute quadrangles. 1971
Geology and mineral resources of northeastern Franklin County, Pennsylvania / 1971
Geology of McLean County, North Dakota, 1971
Ground-water resources of Montgomery County, Pennsylvania, 1971
Growth of known-age muskellunge in Wisconsin: and validation of age and growth determination methods / 1971
Hydrogeology of the carbonate rocks of the Lancaster 15-minute quadrangle, southeastern Pennsylvania, 1971
Hydrology of the Pleistocene sediments in the Wyoming Valley, Luzerne County, Pennsylvania / 1971
Managing our environment; a report on ways agricultural research fights pollution. 1971
Pacific oyster raft culture in British Columbia / 1971
Pleistocene geology and unconsolidated deposits of the Delaware Valley, Matamoras to Shawnee on Delaware, Pennsylvania / 1971
Saltwater fishes of Connecticut, 1971
Selected digital computer techniques for groundwater resource evaluation, 1971
Surficial geology of the East Stroudsburg 7 1/2 minute quadrangle Monroe County, Pennsylvania / 1971
Aspects on the toxicity of cadmium and its compounds; a review. 1970
Automated method for determining mercury in water 1970
Colorado outdoor recreation on private property : legal and economic aspects / 1970
Control of eutrophication, 1970
Controlling erosion on construction sites. 1970
Detergents, phosphates, and water pollution 1970
Ecology of the second trophic level in Lakes Superior, Michigan, and Huron 1970
Gasoline containing lead. 1970
Geology and economic resources of the Pennsylvania portion of the Milford and Port Jervis 15-minute quadrangles / 1970
Geology and ground-water resources of Linn County, Iowa 1970
Geology and mineral resources of the southern half of the Clearfield 15-minute quadrangle, Pennsylvania, 1970
Geology of the Pittsburgh area / 1970
Geology, hydrology, and geophysics of Columbia sediments in the Middletown-Odessa area, Delaware, 1970
Geology, mineral resources, and environmental geology of the Palmyra Quadrangle, Lebanon and Dauphin Counties / 1970
Global environmental monitoring system; technical report from Sweden to the IBP ad hoc Committee on Global Monitoring. 1970
Ground-water basic data Orange and Ulster Counties, New York, 1970
Ground-water resources of the Loysville and Mifflintown quadrangles in south-central Pennsylvania / 1970
Methylmercury: a review of health hazards and side effects associated with the emission of mercury compounds into natural systems. 1970
Mineral facts and problems. 1970
Occurrence of pesticides in aquatic environment, 1970
Photosynthetic pigments of Lake Superior periphyton and their relation to primary productivity, 1970
Potential productivity of fresh water environments as determined by an algal bioassay technique 1970
Proceedings Fibrous Dust Seminar, November 22, 1968, Mellon Institute of Carnegie-Mellon University. 1970
Results of a cooperative field study of a downflow bubble contactor aerator and a conventional surface aerator. 1970
Studies in peat. Peat deposits of northeastern Pennsylvania / 1970
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