[PRCo] Re: Introduction

[Derrick Brashear]

On Oct 1, 2010, at 9:13 AM, Stephen Titchenal wrote:

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>> I just joined the Pittsburgh railways group and thought I would introduce
>> myself. I worked with Derrick more than 10 years ago on the project to scan
>> the historic topos now on the maptech website.

Damn, has it been that long? I thought it was 2002, but even then....

>>I scanned most of Ohio at
>> 600dpi. Has anyone scanned the PA 15' topos at that resolution? I have also
>> been scanning the first editions of the 7.5' topos which were done in 1953
>> for much of the Pittsburgh area. They show the rights of way of the in
>> operation or recently abandoned interurbans when they were not using
>> streets, plus now abandoned railroad lines. The 7.5' topos are done to a
>> more modern standard and easy to georeference.

My scanning ability has been somewhat crippled the last few years but
at some point I will try again.

>> I am just starting my Pennsylvania research. I have been surprised at how
>> few historic maps (1890-1940) I can find once I leave Allegheny County and
>> the wonderful Historic Pittsbugh online collection. In Ohio there are a few
>> detailed county/township map sets state wide (1910,1919,1925,1940) and many
>> county atlases. I have mostly been looking online so far, but hope to get to
>> Pittsbugh later this fall for more research.

Ping when you come; I'm usually around.