Silent Spring Institute

HEIS Help Page

For help navigating and using the HEIS, please see the links left, and below.

About Mass HEIS	:: For general information about Mass HEIS, click here.
Getting started	:: For information on how to start creating a map, click here.
Guide to the map page	:: To learn how to use the different parts of the map page, click here
About the data layers	:: For more information about the data layers, click here.
FAQs	:: For Frequently Asked Questions, click here.

If you have a suggestion for a new FAQ, or have other comments or questions, you can email us at info@silentspring.org.

Please note that we no longer have resources to respond at length to individual questions. Before contacting us, please take a look at our e-resources section, where you'll find a glossary, Internet Links database, and more information tools which may help you.

The e-resources website was made possible by
a grant from the National Library of Medicine