Document ypn11DD0vOv16G1mvezNz23Y3

Ju n e 17, 19J4J. Mr* T. R . A. Se v a n The A s s o c i a t e d E t h y l Company L t d . 1 Sin gsw ay Lon d on , W. 0 , 2 En glan d Dear Ray: I h ave no dou bt Mr. R o b e r t s h as t o l d you ab ou t th e s i t u a t i o n a t th e Braden Copper M in e. He h a s p r o b a b l y a l s o t o l d you some t im e ago t h a t we v i s i t e d t h e m in e , c o n su l t e d w it h t h e Br ad e n people about a l l of the d e t a ils of th e u se o f t e t r a e t h y l l e a d , an d a f t e r some c o n s i d e r a b l e d i s c u s s i o n d e v e l o p e d m u t u a lly a c c e p t a b l e p l a n s f o r g o i n g a h e a d . I t now a p p e a r s t h at th ey w ill n ot ge t aroun d to th e use of le a d fo r p u r p o se s o f f l o t a t i o n f o r q u i t e some t im e , b u t I se e no r e a so n why t h e y can n o t u se i t s a t i s f a c t o r i l y fr o m an h y gien ic p oin t o f view whenever th ey w ish to do so . R o b e r t s h a s se n t a l o n g t o me b l u e p r i n t s o u t l i n i n g t h e i r g e n e r a l p l a n s f o r e q u ip m e n t . I am fo r w a r d i n g t h e se t o you f o r y o u r i n f o r m a t i o n a t R o b e r t ' s r e q u e s t . He h a s ju st r e t u r n e d t o th e Un ited St a t e s and I im agin e he w ill g i v e me a d d i t i o n a l b l u e p r i n t s , b u t i f n o t a t t h i s t i m e , su b sequ en tly. Accordin gly th ese are fo r your u se. I f any q u e stio n s occu r to you in con n ection w it h t h is ge n e r al su b je c t , or i f t h er e i s an y sp e c i fi c in fo r m at io n which you w ish which I can g i v e y o u , p l e a s e l e t me kn ow* We h ave a ssu m e d , h o w e v e r , th at i f t h is gen eral set-u p i s sa t isfa c t o r y to Roberts and to me, you would be s a t i s f i e d m er ely to be in form ed of what t ak es p la c e . Sin cer ely you rs, RAKsis R o b er t A. Keh oe,~M.D. /< 0007245 N 7832