Investigation of the deep well in the Mesa Verde National Park, Colorado

ar"i Ji/e44 4. 7iS tittA ey-rd4.4ese:A4•44.4aInvesti4stion of the deep sell in lama 7arde National Park, Colorado q/-q!Deeftrkber 645, 194$ Dy ?cnnLivingston oral iiilliam Bale Purpose and soope or the investijitton fin lovember 4, 1949, the pump on the 4,192-foot well et the Mesa 7erde Istional 'lark f-eiled (Wrinz pkimpin4 operations.gleveral faIlwees )td been /*al* is the past by sediment Lrad-lally accunulactin,; in the stanlin_, valve of the cylinder pump.Fowever, utter oleenin.: the lust:: and installin: it in the well on November e, no watcr coAl be --,7.171;Atd.More was a2Are7itl so much seiineut in tile, water that the pus? could not Ge i7vAt bowl: into: As the well is the only present so:xce of watcr far the :lark, it was in:)vrttive that pnrc-ing be rest:zed as soon as possible."r.77.ol'ort E. sit..;qpesr.ifAtendent of the kart, rut-p:ested the asslatwico or t!-o .n. jeolo2ical Sur-vty In liakin au investizatl4r. to meter' is cause of the trouble an,t %o ascertain the cmneral condition of the 1,:11.iddition, it was tho:t ri;:#!vions be -lode in rezard to rth^tili.. toting t vircll.?he wricrs acre Riedled ;:we'‹a the investization and *ere at the' .ar%t(<:;(:r ( to , 6. 7!riei history :.)f deep well at Yes& ?ord.!;ationftl 13sa.4sTl'e ?ark well wee completed in sanst:one -th ',.112 feet in 1,S2.Ageoreinr to the %,011 lo_, the well 13 cmowd 'it} , 12,-inch 21,,,,e from t sporfece to feet; 1:3-inch pi pc from allriAae 1,22(3 feet ;cemented 141140Moss); pipr frou s-.114:74we 5,L3 eet; 6-Inch pipe from et:reit:No to feet ,n s(4 !..t7a); s+ from oJr?ace to Z.934 feet; S-3/4-inch IlrIvr :A.Z 4 )C2 fort: Ntri lzo ff;ct Q." *inch L: .07voy 2. button screen pip* from 4,0C2 to 4,14 feet.1' Fcllowin the tests by i`vin ston an the deep well, -ohich were °amp.Livinoiton, .s,-,;urt on the condition of the deep-men in Mesa 7erde :lorado, with sug.;estions for repairia4.Typewriton report ir files or Neic-aI Park aervice and 17. S. leolojAcal Novae... .5r1:13E...... 410.400000112,40........ plsted on ..oveper 7, 15Si, the IsLatsx *saint; 1") ,u7, was set aside and tLe old pu;'T -was rfainstelled in the wall.The per,; cylinder was set at a cle:th of ebu.ltI,br.)\, feet t*law the land surface ari , -)2rn'eJ icith a stroke o: 4 ff.z,t, at c rate kr 22 strokes A ranuto.:Ise 'barrel was 10 feet loa: and 2 202 inches in inside r tailater..111whar70was 2-7A Ina.s in inside diamaiter and the mucker rods were 'i","'-ita'A iron.Rhea the 712;1 was it ,:ood condition It lisohnr,;e abcx-)t.a 1.im;te; as the loath'-rs wore, the (!ischarle dewline ZE cAllor.s a zinute.%cow w,,re ravired about ono* a 7);ont;h and at ._;too year the eylindder ?ma reved end s new stendin, valve was insttll?d.11 sr,wtral occasions darir ths -) ,mr13,!1!7, -4$1 the NI.,o stepped dist7tAr. jr..: water P-r:f.who'n the eylimler WRS rPncivnd it was ff.pard to he clo;;i :ed ulth "!:1:: a ro _.raw tubi:i or wicker rods have he installed sinle ILL-t 1942.rho rods are in "par.r.%-;nditlor.bit so is wrorli.o rt -lairs or *henzee were nada in %km well tiasit since the inspe,Itl was cozpl.ted in !c:ovember 1n8.-e?tele,er 3, 1943, tre Ike stop%ed dischargirtwater and when the was removed t:',0 atsc• Ir valve wae 'ter the eylinder was elearAd tut .LIP was ex;,vrlonced in iattine the pomp bask int c:' operatic*: or ii..aterber l(.sw