[37] Kenneth M. Machenthun and William M. Ingram, Biological Associated Problems in Freshwater Environmæts; Their Identication, Investigation and Control U.S. Department
of the Interior, Federal Water Pollution Control Admin'
istration, pp.
19—20.
[38] M. M. Ellis, “Erosion Silt as a Factor in Aquatic Environments,” Ecology, ]an—
uary 1936, Vol. 17, N o. 1, 39.
[39] Machenthun, Biological Associated Problems in Freshwater Environments, p.
24 (see [37]).
[40] “Phosphates in Detergents and the Eutr0phication of America’s Waters,” 23rd
Report by the Committee on Government Operations, April 14, 1970.
[41] Gene E. Likens, Herbert F. Bormann, and N 0ye
M. ]ohnson, “Acid Rain,” Environment, March 1972, Vol. 14, No. 2, 33—40.
[42] Acid Mine Drainage in Appalachia, a report by the Appalachian Regional
Commission, Washington, DC. 20235, 1969.
[43] C. C. Collier, R. ]. Pickering, and ]. ]. Musser (eds.), Inuences of Strip Mining
on the Hydrologie Environment of Parts of Beaver Creek Basin, Kentucky,
—
1955—66, Geological Survey Professional Paper 427—C (Washington, D.C.: U.S.
Government Printing Office, 1970).
'
[44] ]. ]. Musser and R. ]. Pickering, “Geochemistry of Water,” in Inuences of
—
'
Strip Mining, pp. C14—C46 (see [43]).
[45] ]. P. Henley, “Stream Bottom Fauna,” in Inuences of Strip Mining, pp.
C46-C49 (see [43]).
,
[46] ]. R. Sheridan, “Fish Population,” in Inuences of Strip Mining, pp. C50—C53
É
(sec [43]).
E
[47] R. H. Weaver and H. D. Nash, “Microbiology of Streams,” in Inuences of
Strip Mining, pp. C53—C57 (see [43]).
[48] R. Lloyd, “The Toxicity of Zinc Sulphate to Rainbow Trout,” Annals of Applied Biology, Vol. 48, 84—94. Cited in ]. F. Skidmore, “Toxicity of Zinc Compounds to Aquatic Animals with Special Reference to Fish,” The Quarterly Review of Biology, September 1964, Vol. 39, No. 3, 232.
[49] Peter Doudoro, “Some Recent Developments in the Study of Toxic Industrial
Wastes,” Proceedings of the 4th Pacic Northwest Industrial Waste Confer—
ence,
State College of Washington, Pullman, Washington, 1952, pp.
21—25.
Cited
in Peter Doudoro and Max Katz, “Industrial Wastes: Critical Review
Literature on the Toxicity of ”Industrial Wastes and Their Components
to
F1_Sh'
11- The Metals, as Salts,” .Ï0umal of the Water Pollution Control Feder—
ation, ]uly 1953, Vol. 25, No. 7, 811.
1501 Neäi]1Î
Grant. “Mercury in Man,” Environment, May 1971, Vol. 13, No. 4, 9
.
an
_
l5ll GÔfan LÔfr0th With Margaret E. Duffy, “Birds Give Warning,” Environment,
May 1969, Vol. 11, No. ‘4, 12.
;
11 ,.,1,1111111
,
,:u,
of the Interior, Federal Water Pollution Control Admin'
istration, pp.
19—20.
[38] M. M. Ellis, “Erosion Silt as a Factor in Aquatic Environments,” Ecology, ]an—
uary 1936, Vol. 17, N o. 1, 39.
[39] Machenthun, Biological Associated Problems in Freshwater Environments, p.
24 (see [37]).
[40] “Phosphates in Detergents and the Eutr0phication of America’s Waters,” 23rd
Report by the Committee on Government Operations, April 14, 1970.
[41] Gene E. Likens, Herbert F. Bormann, and N 0ye
M. ]ohnson, “Acid Rain,” Environment, March 1972, Vol. 14, No. 2, 33—40.
[42] Acid Mine Drainage in Appalachia, a report by the Appalachian Regional
Commission, Washington, DC. 20235, 1969.
[43] C. C. Collier, R. ]. Pickering, and ]. ]. Musser (eds.), Inuences of Strip Mining
on the Hydrologie Environment of Parts of Beaver Creek Basin, Kentucky,
—
1955—66, Geological Survey Professional Paper 427—C (Washington, D.C.: U.S.
Government Printing Office, 1970).
'
[44] ]. ]. Musser and R. ]. Pickering, “Geochemistry of Water,” in Inuences of
—
'
Strip Mining, pp. C14—C46 (see [43]).
[45] ]. P. Henley, “Stream Bottom Fauna,” in Inuences of Strip Mining, pp.
C46-C49 (see [43]).
,
[46] ]. R. Sheridan, “Fish Population,” in Inuences of Strip Mining, pp. C50—C53
É
(sec [43]).
E
[47] R. H. Weaver and H. D. Nash, “Microbiology of Streams,” in Inuences of
Strip Mining, pp. C53—C57 (see [43]).
[48] R. Lloyd, “The Toxicity of Zinc Sulphate to Rainbow Trout,” Annals of Applied Biology, Vol. 48, 84—94. Cited in ]. F. Skidmore, “Toxicity of Zinc Compounds to Aquatic Animals with Special Reference to Fish,” The Quarterly Review of Biology, September 1964, Vol. 39, No. 3, 232.
[49] Peter Doudoro, “Some Recent Developments in the Study of Toxic Industrial
Wastes,” Proceedings of the 4th Pacic Northwest Industrial Waste Confer—
ence,
State College of Washington, Pullman, Washington, 1952, pp.
21—25.
Cited
in Peter Doudoro and Max Katz, “Industrial Wastes: Critical Review
Literature on the Toxicity of ”Industrial Wastes and Their Components
to
F1_Sh'
11- The Metals, as Salts,” .Ï0umal of the Water Pollution Control Feder—
ation, ]uly 1953, Vol. 25, No. 7, 811.
1501 Neäi]1Î
Grant. “Mercury in Man,” Environment, May 1971, Vol. 13, No. 4, 9
.
an
_
l5ll GÔfan LÔfr0th With Margaret E. Duffy, “Birds Give Warning,” Environment,
May 1969, Vol. 11, No. ‘4, 12.
;
11 ,.,1,1111111
,
,:u,