ILLUSTRATIONS 



PAGE 



Ih'tnils ..f hiMallatii ii ..f No. '-M Printini: KCL 

 48. No. 633 hurley <;raphic W:iter Staire Kcu-iMer. with Spring 



driven ri.K-k _____ ..... _ ....... _ .................... ---- I""- 



48. Diagram of No. :i Hurley uraphie Register ----- ......... H"i 



SO. No. 6S<i Hurley Uraphie Water Stage Register. with Weiu-ht 



driven Clock ______ ........ - .......... - ............ 1"7 



51.- Sllo\\||IL' method of inserting ell.K ..f Ihi- Record Sheet ill the 



*lot iii tlu- cylinder ____ ...... . ................. 



I Hurley Uraphic Water S' ! i - ...... ______ 11 'J 



I- . No BM Hurlex Uraphic Keirister -------------- 11 J 



. sheet f. v, . of No 686 Graphic ur-i-tn- n: 



M. Record sh.-rt f. Graphic aegister - ............. 118 



No. 38 Flo:it oprr:it-l S.-n.l. r. for l.oiii: I M-t.-uirr <;r.-ipliir 



, -No. (KJ7 l*mg \> Graphic w.-n.-r Btago Knrish-r r.-J 



58.- Ni ' :---'i^ter ________________ i- : '- 



50. No. '"'' lnli< Mt-T. front Mini rr:ir views ____________________ TJ1 



Wiring IMMLTIIII showing th- nn-ilio.| --n,-]-.illy usr| in 



instJillinir (Jurlcy LOIIL' iMst.mrr Kciristcrs _______________ 125 



ill. Wiring I >i;iL'r;ini of the installation of a linrlry I.onu' I i-i:in-. 



Ragtotet at ToiM-ka. K.-iiras _____________________________ 1LV, 



I >i:ii:r:iiii showing l"-ati<-n of holes in tahle ami floor of <; ; IL'C 



II- ii-.- for l.oni: IHstam-" Kru'ister ______________________ r_'T 



I-t:iils of installation of a \ i- iMstaiH-r Sender _. ll> 



... No. .;:;;-A Indicating Gage ________________________________ i::' 



65.- Portable Shelter installed by U. 8. Geological Survey on 



Kinderhook CreeR at Rossman. N. Y. ______________ ..... 1 :i 



06. Device for nilnrin^ |iiantity of oil u-c.l as a cover in wells i::i 

 67. Relnfr-el Concrete Well a;id Shelter installed ly U. S. 



(;eological Survey on the American River at Fairbanks, Cal. 135 

 68.- ''oncrete Shelter eontainint: a (Inrley Printing: Keirister. ns in- 



<t:ilhMl hy the U. S. < Icolo-i.-al Survey on the Gen 



Ki\cr at St. Helena. N. V. _____________________________ K- 



flO. Metal Shelter and Well __________________________ ^ _______ 1".T 



70. Metal Shelter with door open ____________________________ i:'.T 



71. Wooden Well and Shelter ________________________________ 138 



TJ \\ He- stage Register installation in California ____________ 138 



Wood,.,: \\--ll and Shelter installed at a P.ridu'c Ahntnient 139 



74. Wooden Well and Shelter installed against ;i P.ridu'e Pier i:'.'.i 

 7.". U. S. C*iMilL r ical Survey Form for Inspection <f Keeonliim 



K.'L-ister Stations _____________________________________ 1 ' 



7;. Installation of a Graphic Kc-i-ier in manhole of a sewer __. 1 \'2 

 77 Ir>tall:ition of a <;raphie Keu-i-ter on New York State P.arire 



':.nal ______________________ ..... _____________________ 1 I.'. 



78. Inntallatioii of a Graphic Register on New York State p,ar'e 



raiial ________________________________________________ 1 !". 



7 Installation of a Craphie Ke^'i^ter on New York State Barge 



< -niial ________________________________________________ 1 J." 



80. Installations of Printing and Graphic Registers in connection 



with the Keokuk Dam ________________________________ 147 



81. Installation of a Register at a Weir _______________________ 148 



82. Curley Kxperiinental (;aging Station, Troy. N. Y. ---------- 153 



83. No. 384 Explorers Level _________________________________ l.'.i 



84. No. 524-A Plain leveling Rod, 4-Ply _______________________ iv, 



