Wetland Evaluation Technique (WET).

"October 1987."

Die humus-, marsch-, torf- und limonit-bildungen als erzeugungsmittel neuer erdrindelagen /

"Verzeichniss der wichtigeren benutzten werke": pref. p. [7]-8.

Test driving early automobiles

On verso: 6th International Road Congress; 457 Lakeshore. On verso: Left to right: Fred Smith, R. E. Olds, J.J. Brady?

Test driving early Oldsmobiles

On verso: 6th International Road Congress; 457 Lakeshore

From Sleeping Bear

Caption: From Sleeping Bear; South Manitou; North Manitou

Cherokee Marsh report /

"September, 1963"

Tidskrift

Vol. 15 has supplement: Gödslingsförsök

Oversight hearings on section 404 of the Clean Water Act : hearings before the Subcommittee on Environmental Pollution of the Committee on Environment and Public Works, United States Senate, Ninety-ninth Congress ....

"July 31, 1986"--Pt. 2.