Johnson, Paul E.2019-12-042019-12-042019http://hdl.handle.net/10919/95932Freshwater snails and their biology, habitats, reproduction, and threats. How to reduce pollution and threats that could destroy them.7 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.Extension publicationhttps://www.pubs.ext.vt.edu/content/dam/pubs_ext_vt_edu/420/420-050/CNRE-57.pdfSnails