Research

Scope and Content Note

This series consists of approximately 600 reference sheets partially bound into 4 volumes that function as an index to accretion 10700-00A, Dept. of Transportation aerial photographs of State Highways. Each sheet measures approximately 20 x 24 inches. Also included are blueprint topographical maps indicating the general location of each section entry of the index. Information provided on the index sheets includes date of photography, flight height, cameral and focal length of lens, approximate index scale, name of highway or project, section number, contract or project identification number, geographic location, county, and photographic contractor. Some features on the images (such as rivers, railroads, and highways) are labeled.