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~ -~ e <br />v' - <br />I_1-l <br /> <br /> <br /> ~ i <br /> , <br />i ' <br />i ~ <br />~ ~ <br />PYC 1 ' <br />2" pipe ~ ~ <br />S;ect Lyq <br />3/k" z 1~" ~ i <br />measuring atl.ck <br /> <br />~Piee) , <br />i <br />~ ' <br /> ' <br /> <br />t+k~ B+.J <br />to ,w:p~ <br />.~T kt <br />I~.6r~ <br />Perforated t1o cup <br />for regreaulate6 <br />cork <br />i I <br />i <br />~ ~ <br />: ~ <br />i , <br />~ ~ <br />~ , <br />i I <br />: <br />~ ~ <br />~ ~ <br />Bertioa A-A <br />V <br />vent hole <br />-_-~ <br />q s'f ~ ~...K 8ed q <br /> <br />wy <br />Note.--Set 8-pen sail nt <br />top of 9/L" x 1~" measur- <br />ing stick for flush fit <br />with sap. <br />_ FLOW <br />.~4" intake <br />sole s <br />U. S. GEOLOGICAL SURYEY <br />CREST-STAGE GAGE <br />L P" I <br />Scale <br />135 <br />/ lc~+cri.~l~ ~ <br />2 1" PVC c:,ps <br />I 7/y " % IY r X Sfee~ St..,yi+ P,"t 8wd <br />b~..A-ty~~ k.f. cl.-,rs <br />• PN3lW <br />F7GUBE 2.13.-Typica] erect gage installation at a highway bridge with detailed drawing. <br />~~~{''f~~ta{art,~'179~Feld MAAVA~ ~.r Reseyrc~t iwA~r:oyl}aral H~.4~Ieyy~A~rieklirv'aI IiawJ6oeQ'Ja,22'l <br />