Zoning:
Aerial Photo Source:
Boone County Assessor, Ortho-rectified
Digital Imagery - 2011, 2007 & 2002.

Historic Aerial Photo Sources:
Boone County Assessor, in-house rectified mylar and
photo imagery - 1994, 1992, 1980, 1977, 1968, & 1939
from various sources. Photo imagery for 1992,
1977, & 1939 are not available County-wide.

Elevation and Planimetrics Sources:
Boone County Assessor, 2009
City of Columbia Public Works - 2007.