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Subject:	USGS depiction of canals
From:	Angie Cope <[log in to unmask]>
Reply To:	[log in to unmask]
Date:	Fri, 19 Jul 2013 09:14:11 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (19 lines)

----- Forwarded Message -----
From: "Cartographics" <[log in to unmask]>
To: [log in to unmask]
Sent: Friday, July 19, 2013 9:02:21 AM
Subject: USGS depiction of canals

Can anyone explain why navigable canals are so poorly treated on early
USGS one-inch maps?
For example, I have the Buffalo area of New York State surveyed
1898-1900, on which it is difficult, almost impossible in parts, to pick
out the Erie Canal which was so important to the growth and economy of
this area.  What were the criteria for showing such features, and did
the depiction improve on later editions?
Richard Dean

--
Administrator of the Canalmaps Archive (www.canalmaps.net)

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