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02385aam a2200325Ia 4500 001 22A9162EF83611E784964A6B97128E48 003 SILO 005 20180113013733 008 750509s1974 ohu 000 0 eng d 035 $a (OCoLC)1320850 040 $a UDI $c UDI $d OCL $d LHL $d EEM $d UPM $d KSU $d NUI $d UtOrBLW $d SILO 043 $a n------ $0 http://id.loc.gov/vocabulary/geographicAreas/n 050 14 $a TD178.5 $b .E62 1974 no.6 086 0 $a EP 1.23/5:670/4-74-006 088 $a EPA-670/4-74-006 100 1 $a Lewis, Philip A. $0 http://id.loc.gov/authorities/names/no2007089339 245 10 $a Taxonomy and ecology of S̲ṯe̲ṉo̲ṉe̲m̲a̲ mayflies (Heptageniidae:Ephemeroptera) / $c by Philip A. Lewis. 264 1 $a Cincinnati : $b National Environmental Research Center, $c 1974. 300 $a vii, 81 pages : $b illustrations ; $c 27 cm. 490 1 $a Environmental monitoring series ; $v EPA-670/4-74-006 500 $a Prepared for National Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency. 504 $a Includes bibliographical references (pages 37-38). 520 3 $a "This manual provides keys and descriptions for all North American species of Stenonema mayflies and consolidates information from the literature on their ecology, environmental requirements, and pollution tolerance. Accounts of each species include synonymy, nymphal description, collection records, and a distribution map. The 31 species described and keyed include three new species, four new synonyms, two resurrected species, and new combinations involving three additional species and subspecies. Twelve species and one subspecies are classified as intolerant of organic pollution, eight species as tolerant of mild pollution, and seven species and two subspecies as tolerant to moderate pollution." 650 0 $a Mayflies. $0 http://id.loc.gov/authorities/subjects/sh85082422 650 0 $a Stenonema. $0 http://id.loc.gov/authorities/subjects/sh85127953 710 2 $a National Environmental Research Center (Cincinnati, Ohio) $0 http://id.loc.gov/authorities/names/n79071248 830 0 $a Research reporting series. $n 4, $p Environmental monitoring ; $v EPA-670/4-74-006. $0 http://id.loc.gov/authorities/names/n86717045 941 $a 1 952 $l OVUX522 $d 20180116065250.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=22A9162EF83611E784964A6B97128E48Initiate Another SILO Locator Search