Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.1 6/24/83; site aluxe.UUCP
Path: utzoo!watmath!clyde!burl!mgnetp!ihnp4!mhuxl!aluxe!2141smh
From: 2141smh@aluxe.UUCP (henning)
Newsgroups: net.travel,net.auto
Subject: Re: Road sign query
Message-ID: <359@aluxe.UUCP>
Date: Sat, 8-Sep-84 15:10:08 EDT
Article-I.D.: aluxe.359
Posted: Sat Sep  8 15:10:08 1984
Date-Received: Thu, 13-Sep-84 19:02:27 EDT
References: <551@ihlts.UUCP>
Organization: AT&T Bell Laboratories, Allentown, PA
Lines: 5

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From the keys of Steve Henning, AT&T Bell Labs, Reading, PA aluxe!2141smh

7% means you climb vertically 7 feet every 100 feet horizontally you travel.
Thus, it turn out you climb 1000 feet every 2.7 miles you drive.