Re: [CBQ] Peoria Alley Track - May St

["William Hirt" <whirt@fastmail.com>]

The only issue with the Library of Congress Sanborn site is that most of the maps posted are pre-mid-1920s. The latest for Peoria is 1902. I assume this is for copyright reasons. But they have said on the LofC web site they intend to digitize them all.

Your local library system may subscribe to the Digital Sanborn maps. This is supposed to be the complete collection that has been digitized and held by Sanborn's successor Environmental Data Resources, Inc. The main drawback is that the digitized maps are only black and white. Another more recent drawback is that you used to be able to download each map as a Adobe PDF file. Now you can only download it as an image file. The four volume Peoria set was last re-published with updates by Sanborn in 1956. There is anywhere from 80 to 95 sheets per volume.

BIll Hirt

On 2/13/2022 12:01 PM, o_rrman wrote:

>       
>       Roger, I love Sanborn maps.  I find that the easiest way to find
>       them is to use Google.  Here are the keywords I used in the Google
>       search for Peoria : illinois sanborn maps peoria il.  Results
>       include the Library of Congress and the University of Illinois. 
>       The Library of Congress site address is:
>       loc.gov/collections/sanborn-maps. 
>       
>       Hope you find what you are looking for.  
>       
>       Mike Offerman

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