[PRCo] Re: Old topo map question

[Derrick J Brashear]

On Tue, 31 May 2005, Donald Galt wrote:

> Do I misremember, or do some of you know an internet source for old USGS
> topographic maps (1:62 500)?

http://historical.maptech.com/
and if you want them stitched back together, at least PA:
http://usgshist.dementia.org/joined/PA/

> And does anybody have observations about CDs of such maps that are advertised
> on eBay?

The claim "The Warfield and Williamson quads are not available anywhere 
online." suggests they got the scans elsewhere.