The green areas represent fields where Henslow's sparrows have been detected. These fields are owned by the state and were surveyed by Scott Swengel (Baraboo, Wisconsin).
Contact information:
Rolf R. Koford
Iowa Cooperative Fish and Wildlife Research Unit
Science Hall II
Iowa State University
Ames, Iowa 50011
Telephone: (515) 294-3057
This file: http://www.public.iastate.edu/~hesp/newtonmo.htm
Updated 25 February, 1997