Mary Mitchell of the USFWS kindly sent us an electronic copy of the atlas dataset in January, 2004. Data are presented here by agreement between the atlas project, NBII, and USGS Patuxent Wildlife Research Center.
Results should be
Bird Atlas Explorer (online resource). 2015. U.S. Geological Survey
Patuxent Wildlife Research Center. <Date of access>. http://www.pwrc.usgs.gov/bba.
Data extracted from: Peterjohn, Bruce G. and Daniel L. Rice. 1991. The Ohio Breeding Bird Atlas. Columbus, OH: the Ohio Department of Natural Resources - Division of Natural Areas and Preserves. 416pp.
Data from this project are generally considered to be in the public domain. Any use of these data should be accompanied by the proper citation as shown above. For questions or to use large portions of the dataset, please contact Butch Grieszmer at email@example.com.
Sponsorship for this project was provided by the Ohio Department of Natural Resources - Division of Natural Area and Preserves, with the support and encouragement of the Ohio Biological Survey, and the Ohio Audubon Council.