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'Maps for America' by M.M. Thomson, 3rd edn (Washington DC : US Govt Printing Office, for USGS, 1988) is the book already cited - but not necessarily the edition - by David Allen in his originating enquiry. Francis Herbert -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of John Wesley Sent: 03 September 2011 19:57 To: Discussion group for map history Subject: Re: [MapHist] History of 1:24,000 scale quadrangle maps of U.S. David, The USGS came out with a book in the Eighties, I believe, "The Mapping of America" (or something like that) which covered much of this history. You're right -- the completion of the final 7 1/2' quad. ( sometime in the Eighties, I think) went off with almost no fanfare! Mike G. From: Dyallen2 <[email protected]> To: [email protected] Sent: Saturday, September 3, 2011 12:24 PM Subject: [MapHist] History of 1:24,000 scale quadrangle maps of U.S. Often the most recent developments in the history of cartography seem to be the most poorly documented. This seems to be the case with the standard 7.5 minute 1:24,000 scale topographic maps of the United States. I am trying to track down a reasonably detailed account of how they were produced during the period between about 1945-1965, but so far have been able to gather only bits and pieces of information. From what I have been able to gather, most of these maps were based on aerial photographs taken during the 1930s. They seem to have first been produced in quantity by the Army Map Service (AMS) during the war. Most or many of the maps issued by the U.S.G.S. between 1945 -1960 seem to have been based on work done by the AMS. Because of budget constraints, apparently almost nothing has been done to update the contour lines on these maps since their initial appearance, although planimetric data has been added to so me of them Does anyone know of sources that can confirm, correct, or fill out this sketch? I have checked Thompson'sMaps for America, and tried to track down additional information via the Web. Thanks. David Allen Encinitas, CA
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