Unfortunately, that 1950's one is likely under copyright (maybe that's why there isn't one at the David Rumsey site). A big public library like Cleveland might have walk-in access to the national Proquest version of the black and white maps. CSU-Northridge has an excellent collection of Sanborns and I'm almost positve that they have a mechanism to field remote requests: https://maplibrary.csun.edu/ML/sanborn-maps.htm On Fri, Oct 16, 2015 at 11:23 AM, Ken Grabach <[log in to unmask]> wrote: > Hello, colleagues. > A researcher here at Miami University (Ohio) is looking for access, > especially digital access, to Sanborn maps showing the downtown area of San > Francisco in the 1950s. He provided an image of the specific area of > interest, which I have attached as a PDF image with this message. > > Anyone who is able to provide any assistance with this, please feel free > to contact me directly via email. > > I may be slow to reply in the next few days, and I have notified the > researcher of this. I will be attending the Depository Library Council > meeting and conference next week. That said, any assistance with access to > mapping of this type for the area portrayed would be greatly appreciated. > > Ken > > Ken Grabach > Maps Librarian > BEST Library, 219D > Miami University Libraries > Oxford, OH 45056 USA > > [log in to unmask] > 513-529-1726 >