An ecological survey in northern Michigan
By: Prepared under the direction of Chas. C. Adams. A report from the University museum, University of Michigan, published by the state Board of geological survey as a part of the report for 1905. 
Contributors: Ruthven, Alexander Grant, 1882-; McCreary, Otto.; Morse, Albert P. 1863-1936.; Walker, Bryant, 1856-1936.; Wood, Norman Asa, 1857-; Peet, Max Minor, 1885-; Michigan. Geological Survey.; University of Michigan. University Museum.
Publisher: Wynkoop Hallenbeck Crawford co., state printers
Published: 1906
Place of publication: Lansing, Mich
Language: eng
Number of pages: 133
Subjects: Plant ecology.; Animal ecology.; Botany -- Michigan -- Porcupine mountains.; Botany -- Michigan -- Isle Royale.; Zoology -- Michigan -- Porcupine mountains.; Zoology -- Michigan -- Isle Royale.