Air quality in the national parks : a summary of findings from the National Park Service Air Quality Research and Monitoring Program / prepared by Energy and Resource Consultants, Inc. ; Donna O'Leary, editor.
|Other Authors:||O'Leary, Donna.|
Denver, CO : U.S. Dept. of the Interior, National Park Service, Air Quality Division, 
> United States.
National parks and reserves > United States.
Shipping list no.: 88-529-P.
1 v. (various pagings) :
ill. (some col.), maps (some col.) ;
|Original Classification Number:||TD 883.2 .A642311 1988|
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