Preview
Flight Code
BIP
Date Flown
Summer 7-14-1971
County
Blue Earth
Description
1971 aerial photography of Blue Earth County commissioned by the Agricultural Stabilization and Conservation Service at the U.S. Department of Agriculture.
Center Latitude
44.209789
Center Longitude
-93.828443
Scale
1:20000
Flight Height
13750
Invitation No.
ASCS-4-71 DC
Item No.
4
Lens Serial Number
808289
Focal Length
209.40 mm
Physical Format
Black and White Physical Aerial Photograph
Dimensions
9 x 9
Item Type
Still Image
Collection Name
Minnesota County Air Photo Collection
Contributing Organization
Dr. Mary T. Dooley Map Library, Memorial Library, Minnesota State University, Mankato, P.O. Box 8419, Mankato, MN 56002-8419
Contact Information
Dr. Mary T. Dooley Map Library, Memorial Library, Minnesota State University, Mankato, P.O. Box 8419, Mankato, MN 56002-8419
Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Scanning Center
Dr. Mary T. Dooley Map Library, Memorial Library, Minnesota State University, Mankato, P.O. Box 8419, Mankato, MN 56002-8419
Object File Name
MnCo_1971_BIP_1MM-137.tif
Date Digital
2026-03-19
Item Digital Format
Image/tiff
Master File Format
Image/tiff
Master File Size
90516588
Master File Bit Depth
24
Master File Resolution
800 dpi
Master File Width
7203
Master File Height
7216
Master File Hardware
Epson Expression 12000XL
Master File Software
VueScan
Master File System
Windows 11
Master File Checksum
06e97244d1fa447c8a272f7bb8164b10
Keywords
usda, ascs, air photos, aerial photography, blue earth county, 1971, madison lake, ballatyne lake, duck lake, gilfillin lake, long lake, madison lake, mud lake, pond, stream, marsh, field tiling, grain elevator, wetland