A view of Old Main and South Hall.A view of Old Main and South Hall.

Using Primary Resources

Why Use Primary Sources?, The Library of Congress (PDF).

History in the Raw, a justification for the use of primary sources in education, The National Archives.

The Learning Page, The Library of Congress ("Teacher's eye view" of the LOC's collections).

Primary source analysis forms: 

Citation tutorial: how to cite digital primary sources within this Donora Digital Collection (coming soon)
Another explanation of citing digital primary sources (from the Library of Congress).

Air Inversion Resources

Contributed by Dr. Chad Kauffman, Associate Professor, Meteorology/Climatology,
Earth Sciences Department, California University of PA.

Definition of "inversion" from the National Oceanic and Atmospheric Administration Glossary

Definition of "inversion" from the American Meteorological Society

Explanation from the United Nations Environment Programme. (See Section 3)

Meteorology 101 slideshow from The Weather Channel (See Slide 37)

Explanation from the Maricopa County (Phoenix, Arizona) local government 

Explanation provided by Dr. Jane R. Thorngren of Palomar College 

Teaching Standards

Pennsylvania K-12 State Teaching Standards 

McRel National Standards 

A number of additional national standards provided by Education World 

Miscellaneous Items  

The Plain English Guide to the Clean Air Act, A 2007 publication by the United States Environmental Protection Agency. 

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