01770cam a2200421 a 4500002712141MiAaHDL20111213000000.0m d cr bn ---auaua880928s1988 couab b f000 0 eng c88602592sdr-umn001692330(OCoLC)18457144(GPO)99171711DGPO/DLCDLCGPOUDIGPOMvIn-us---MNUOMNUATD883.2.A6423 19880646-R (online)0646-R363.73/922/097320I 29.89:88-1I 29.89:88-1Air 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.Denver, CO :U.S. Dept. of the Interior, National Park Service, Air Quality Division,[1988]1 v. (various pagings) :ill. (some col.), maps (some col.) ;28 cm.Natural resources report ;88-1"July 1988."Shipping list no.: 88-529-P.Includes bibliographical references.Also available via Internet from National Park Service web site. Address as of 6/21/05: http://www2.nature.nps.gov/air/Pubs/pdf/AirQualityReport88-1.pdf; current access available via PURL.Mode of access: Internet.National parks and reservesUnited States.Air qualityUnited States.O'Leary, Donna.United States.National Park Service.Air Quality Division.Energy and Resource Consultants.00271214120100105095156.020111213000000.020120815122756.02024-12-09T19:13:26ZSDR-UMNUNKNOWNloader.pl-001-001BKsdr-umn001692330umnSDRUMNumn.31951002961619kUMN001692330UMNUMN20241209googleumn.31951002961619k1988pdbibUS fed doc