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REPIZ;SEIITATIVE BOISE LEVEL R_CORDS <br />SITr; E: !'JEST i)~.E OP' IiC;U~'T.~tIi•: p°,FiK. 51TE <br />_, r ; ~_. <br />III ; ,.~ ___,~`'~ \ ~ ,. ___- '. - \ 11 11 , <br />_ -,~ ~ •~ 1 ~ _ 1 <br />',, -~3 <br />~ '_ ~' ~ <br />I ~- <br />- - ~ ~ -- <br />- --. __. <br />- ~ - ~backmround level <br />--a -- -------~----- <br />-; <br />- -_- _ F--- _- - -- - _-_ .. ....--- - ~ -- -- <br />- - - --- _ 1 <br />10:55 --• --~-~ - 10 :52 <br />A.I•', A.11. <br />~~lithout Quarry operating, 6 i1arch 1975 <br />~ - <br /> <br /> = <br />_F_1 <br />11 <br />'T ~_ - <br />_,- ~-~-~-- <br /> <br />_r_r._ <br />_y_ _ I i <br />i I __~ <br />-1 ~ ~~._' <br />i _-___ <br />/ _ % <br />10:20 <br />A.I~I. <br />i~~oi se level <br />in <br />decibels <br />__- _r__ -r-F__ i_ _i._ ____.I ~ _ ~__. _ 02 <br />- _~ , _~~ <br />--- ' - , <br />~~. _. L_ - __1- T -1- r-'j .-I-T <br />C - r ~-- <br />-i- -r-'i----- b:~C'.~_^~r6llnd ll,vAl_~ _44 <br />_.- -_._ ~ -~-._ - I-_. _ ,. - i _r __ <br />~_ <br />-'- ~ <br />-j ~ - ~ j = <br />-~---~ r _ ._ _ <br />_~~ I ..r- <br />~~__ C _ T <br />' I I <br />1 <br />~~_ - - / I <br />T' <br />~ I <br />10:17 <br />A. f4, <br />During quarry operations, 1L'• hizrch 19%5 <br />