TY - THES T1 - The Dendrochronology of Three Tree Species in the Central Mississippi Valley T2 - Botany Y1 - 1969 A1 - Estes, Eugene Todd JF - Botany PB - Southern Illinois University VL - PhD UR - http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=755447421&sid=11&Fmt=1&clientId=43922&RQT=309&VName=PQD ER -