upr000206 12

Los A n geles, J u ly 14th, 1923 Mr «JS.B .C alv in : I hare re c e n tly gone o re r the L as Vegas pipe l i n e and ex. lacained the sp rin gs w ith D iv isio n Engineer H i l l e r : In tty judgment, i t * s im perative that something he done to improve the q u a lity o f the drink­ing w ater furn ish ed to the c itiz e n s and employees a t Las Vegas. The upper sp rin g , which fu rn ish es a l i t t l e more than o n e -h a lf o f the t o t a l supply, is in good c on d ition , and i s f a i r l y w e ll p ro tected . I c a lle d H r. M i l l e r 's atten tion to the con dition o f the fen cin g, which needs r e p a ir , and I b e lie v e that a h igh , t ig h t fence should he b u i l t c lo se \ around the sp rin g so as to make i t im possible f o r animals to g e t c lo se \ enough to the spring to contaminate I t . This w i l l a lso prevent to u ris andpienicers from g e ttin g in to contaminate i t . A trench should be ma so as to d iv e rt any drainage en terin g the sp rin g . show th at i t i s im possible to s a t i s f a c t o r i ly p ro te c t th is w ater from su rface contamination, and from V egetable growths, which are very lu x - u rian , owing to summer temperatures in th is l o c a l i t y . In s p ite o f the f a c t th at d iv is io n fo rc e s made a se rio u s e f f o r t to clean these sprin gs but a few weeks ago, they are again a fr o g p o n d , f i l l e d w ith algae,m weeds and slim es, and animal contamination was found at d if fe r e n t pots, which could not be avoided. About a m ile from these sp rin g s a la r g e flo w in g w e ll has re c e n tly been developd and Dr. Boyle a d v ise s th at « o f the same type, w ith p r a c t i c a lly the same p ressu re, and volume, c be developed in the neighborhood o f the sp rin g s. In t h is judgment I The lo w e r sp rin g s cover a la r g e a rea , and p reviou s attempts jp