-------- Original Message -------- Subject: Re: USGS 1:25000 quads Date: Thu, 13 Nov 2008 19:54:19 -0500 From: Dave Broer <[log in to unmask]> To: [log in to unmask] References: <[log in to unmask]> Maps-L Moderator wrote: > Anybody know the history here? Are there other (many??) 1:25,000s in > the 7.5-minute series that I've > [cough] just never noticed before, or did I randomly run across the > only three 1:25,000 quads in > existence? ;) > I'm no map history expert (though I play one sometimes!), but I live in Northern CT and am familiar with the maps that you are talking about. Mass. seems to be the only state that I have seen these maps. There are additional 1:25,000 maps - not just those three. I'm not sure how much of Massachusetts was done at 1:25,000, but a lot of Western Mass. was. I think they were produced by the Commonwealth and the USGS used the base mapping for its series. To be honest, I've never seen 1:24000 maps of these quads, though I do believe that they exist. I hope that helps. Dave Broer Map Library