Athro Limited, Education on the Web

Click and Drag the symbols from the map on the right onto the matching names on the left.

Water towers

This is a portion of the USGS 7.5 minute topographic map of Lansdale, PA, USA. This portion of the map is approximately 1 mile square and has a contour interval of 10 feet. The map is the 1983 photorevision of the quadrangle with revisions from the 1966 map shown in purple.

This Page Uses the Javascript Drag/Drop library by Walter Zorn.
Base map is USGS Norristown 7.5 minute topographic quadrangle, courtesy of the USGS.
Page Copyright © 2006 Athro, Limited. All Rights Reserved.
Written by Paul J. Morris
Maintained by Athro Limited
Date Created: 5 July 2006
Last Updated: 2 Sept 2006