Contents 



i' <. i 



M eras Their Con 13 



IMH..I-- - 13 

 DOM * in** 'tuiiM Mi i;m AXU KOI irur*T 



1 I!,, II. , t U 



17 



&- Tll. I la _-hU 17 



18 



3. The Hiis|N*ini . 10 



ggLKllIN'. Ml) |'|.|-IU I . I'l 01 Cl KK M M.IMt 



\ vM.uitti or GraucY 'IHKM METKXM 28 



TE CruK.vr MI.TI.M Kin i. n i M i si 



UM.M 90 



"I III! I'liuuM \lMIII . .......... .. 31 



To tak- t 

 To chanp 



8|N 32 



n> ri KK M Mt mi 



TYPE t-' KKMK.vni ----- ____ 30 



^ 2iMrnient .................. 



Meaurenientii from < able* ............. ......... M 



MeaMin-itiiMits fnnn HrUIgM ...... 



UBK or THE Cuftnezrr METEH . i- 



.M.IIIIK* ................. . . 48 



,., 



'o Data ............... ..... 52 



menm . ............... 59 



^i.-awirement- uml.-r I.,. ................. 80 



MeasurementH In Arm. -uels . . 2 



Kn.iMni M v or THE r METEB ............. 2 



SlLBCTIOlf AND LOCATION or OAOINO 8TA1 1 ....... 



Obserrero ._ .................... TO 



Establishment of Stations ............................. 



QAOES ...... __________ ........................................ 71 



ordlnjt Gages ................... . ............. 



Gu: -k Gage - ...................... ..... 73 



r Stage Registers ........................... 75 



:K8 - .75 



PABT II. GumusY AUTOMATIC WATCH STAGE REGISTO* Their Con- 

 stnitrion. insiallatioii and Operation ...... 



iNTBtu.t < II..N ................................ .......... 77 



i THE USE or AnoMATic WATCB STAGE 

 REOISTEBS ________ ..... 78 



1. Where water Is valuable aud exceptionally accurate rwnrdu 



are necuiry ..... 78 



2. Where artificial or natural stream conditions cause sudden 



mges In stage In 24 hours. .............. 78 



3. Where records are desired on a flood-water utraim w! 



Is dry most of the year. ............................... TO 



4.- ' I on a stream which 



flows oontlnuouMly i. ut is s U i,j,s t M KiitliltMi floods. ------ TO 



5. WhiTi- it In necessary to determine the maximum gage 



.l.t ..r Hi,- uiaxMiiuiii .lally mean gage height. 80 



ft. When* ir ilftcmilnt* tln iiiiiilmum gSfS 



height or tli<> ininluuun .lally mean gage height . ^' 



