Geology of Lehigh and Northampton Counties, Pennsylvania: Historical Works

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Browsers

Efforts have been made to ensure the contents of this site are viewable in a wide range of browsers. However some aspects of the design will not be displayed in older, less standards compliant browsers (e.g., Netscape 4.x).

JavaScript

Some minor features require JavaScript, such as auto-jumping to a selection from drop-down menus. Browsers that are not JavaScript-enabled will still display the the entire contents of the site, but the interface may be slightly less robust.

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Plug-ins

The zoomable maps require either the MrSid® ExpressView browser plug-in or the latest version of the of the Macromedia Flash™ player. PDF documents require the Acrobat® Reader® software. The free RealOne™ player is required to view the Robert Spillman interview.