Online Books by
Chatten Cowherd
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Cowherd, Chatten: Quantification of dust entrainment from paved roadways (Environmental Protection Agency, Office of Air and Waste Management, Office of Air Quality Planning and Standards ;, 1977), also by Daniel W. Nelson and Christine M. Maxwell (page images at HathiTrust)- Cowherd, Chatten: Rapid assessment of exposure to particulate emissions from surface contamination sites (Office of Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, 1985), also by Mo.) Midwest Research Institute (Kansas City and United States. Environmental Protection Agency. Office of Health and Environmental Assessment (page images at HathiTrust)
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