Frenzel, L.D. 1989. 1989 MN DNR bald eagle nesting activity and productivity data by county. Final report submitted to the Minnesota Department of Natural Resources. 6 pp.
This report consists of records of bald eagle nesting and productivity, organized by county. The objective of this study was to monitor nesting activity, verify nesting sites from previous survey, and to collect productivity data. USFWS aircraft was used to conduct the survey in April and again in June 1989. A listing of previous nest sites was compiled and verified, and new nest sites were documented. The following data was recorded for each nest site: county; nest identifier; location information regarding lake, loran, other; April activity notation, and June productivity notation.