Search Results for the EPA National Library Catalog

Items Found: 4

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Your Search: (AUTHOR=Ellestad AND Thomas.)


Select Item Title Year Published
Application of a Telephotometer to Visibility Measurements in the Eastern United States. 1981
Characterization of visibility-reducing aerosols in the Southwest : Project VISTTA progress report no. 1 / 1979
Empirical studies of the relationship between emissions and visibility in the Southwest / 1979
Existing visibility levels in the United States : isopleth maps of visibility in suburban/nonurban area during 1974-76 / 1979

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