My Account Log in

2 options

A limited compendium of national and regional environmental and human data sources and monitoring initiatives in Canada, Mexico, and the United States.

Online

Available online

View online

U.S. Government Documents Available online

View online
Format:
Book
Government document
Contributor:
Commission for Environmental Cooperation (Montréal, Québec), issuing body.
Language:
English
Subjects (All):
Environmental monitoring--North America--Databases.
Environmental monitoring.
Chemicals--North America--Measurement--Databases.
Chemicals.
Chemicals--Measurement.
North America.
Genre:
Databases.
Physical Description:
1 online resource (77 pages) : color map
Place of Publication:
Montreal (Quebec) Canada : Commission for Environmental Cooperation, 2009.
Notes:
"2009"--page 2 of cover.
Description based on online resource, title from cover (Archive-It, viewed Nov. 22, 2019).
OCLC:
1128817470

The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.

Find

Home Release notes

My Account

Shelf Request an item Bookmarks Fines and fees Settings

Guides

Using the Find catalog Using Articles+ Using your account