Document VJqJkm3aqbLY1Qbk1d0x2Zz8j

THE UNIVERSITY OF BRITISH COLUMBIA VANCO UVER 8, CANADA DEPARTMENT OF GEOLOGY March 10, 196? Dr. Robert A. Kehoe, M.D., Department of Preven tive Medicine and I n d u st r ia l H ealth , Un iversity of Cin cin n ati, The Ket t er in g Laborator y, College of Medicin e - Eden Avenue, Gfcin n ati, Ohio It?2l9, U.S.A. Dear Dr. Keho: I t was very good to h ear from you, but I am a l i t t l e sadd n ed to th in k t h at you w ill be r e t ir in g befoe I ever get a chance to v isit you. I r e a liz e th at you are ver y busy, but I th in k you w ill agr e e 't h at th e m at e r ial I .am sen din g you i s of con sid er able in t e r e st . In view of the work of Sir Ern est Marsden and ot h er s, on th e importance of Polonium 210, I am wondering i f we sn ould not do some work in t h is fie l d ? Witu kin dest r egar d s, Yours sin ce r e ly , Harry V. VJarren/ P r o fe sso r , Department of Geology. HVW/ w. Snc."Some D atable. Dictated but not read