Sources and transports of coal in the Duluth-Superior harbor
By: by Michael Sydor, Kirby Stortz.
Contributors: Stortz, Kirby.; Environmental Research Laboratory (Duluth, Minn.); University of Minnesota, Duluth. Dept. of Physics.
Series: Research reporting series. 3. Ecological research -- EPA-600/3-80-007.; Research reporting series -- EPA-600/3-80-007.
Publisher: Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency; Available to the public through the National Technical Information Service
Published: 1980
Place of publication: Duluth, Minn; Springfield, Va
Language: eng
Number of pages: 84
Subjects: Coal -- Transportation.; Coal, Pulverized.; Contamination (Technology)
Notes: "Department of Physics, University of Minnesota, Duluth."

"January 1980."

"Grant no. R-803952."

Bibliography: p. 80-83.