-------- Original Message --------
Subject: Re: 1:24,000--largest scale available?]
Date: Sat, 20 Mar 2004 22:14:36 -0600
From: James R. Carter <[log in to unmask]>
Michael: you do not tell us for what areas this persons needs greater
detail. In general, you will not find more detail that what you find on
the 7.5 minute quads. But, locally in urban areas you might find very
detailed data. In the mid-a990's our local government contracted for a
contour layer in the metropolitan with a contour interval of 0.5 meter.
That data is available from our local GIS coordinators.
Years ago in the Knoxville, TN, area I had access to topographic data
based on 1:2,400 maps with contour intervals of 2.0 meters. That is
very detailed for this area of considerable relief.
Indeed, there is some very detailed data our there but it is quite
localized. So, depending on what your client wants it may be available.
Jim Carter
At 3/19/2004, you wrote:
> -------- Original Message --------
> Subject: 1:24,000--largest scale available?
> Date: Thu, 18 Mar 2004 16:34:27 -0500
> From: Michael Fry <[log in to unmask]>
>
> I have a patron who needs more (elevation) detail than what's on USGS 7.5
> min. quad maps. Does such a thing exist? Does anybody produce, for
> example,
> a series of 1:10,000 maps?
>
> Thanks for your help.
>
> Michael Fry
> Government Documents & Maps
> University of Maryland Libraries
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Dr. James R. "Jim" Carter, Professor, Geography/Geology Department
and Graduate Coordinator, Hydrogeology Masters Program
Illinois State University, Normal, IL 61790-4400 USA
-- http://www.ilstu.edu/~jrcarter --
tel: (309) 438-2833 fax: (309) 438-5310
[log in to unmask]
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