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<br />CJ)
<br />("lj
<br />00
<br />C.J
<br />
<br />1910
<br />II
<br />12
<br />
<br />13
<br />
<br />14
<br />15
<br />16
<br />
<br />17
<br />18
<br />19
<br />1920
<br />21
<br />22
<br />23
<br />II: 24
<br /><(
<br />W 25
<br />>- 26
<br />27
<br />28
<br />29
<br />1930
<br />31
<br />32
<br />33
<br />34
<br />35
<br />36
<br />
<br />Last killing---- '
<br />frost
<br />
<br />,-
<br />I-ast date for
<br />320minimum
<br />
<br />PLATE'
<br />
<br />-"" ,~ I~
<br />,,' ~ -0:: !-0 f'-..~
<br />~,'\ 0-,'t'-.'\ 0-,''''l, V
<br />:'-.' -0:: <'>,~~ ,"1'-.'\ ~
<br />j; ,-,,'\,,\: ,''','\:~,,\ :---..'\,,\: First killing _
<br />,,:---..'\ ,0:: -0::0-'-.. -" '\'''" 1 frost~:
<br />)I-.;~, ~0-"::\ ,,' ,- 0::~---'-
<br />"-'\:0" -, ~ _, " ,,'
<br />-"" ~, ~,,- ,,,' '" ~,,~
<br />"><,, '" '\ I' '\ 0-.' '\ ",I
<br />~~, ,," ,,\ 0.-" ,'-..' '\', ~
<br />'i.: "." :'-.,'\ ,~,_, " _" ,'1
<br />___ - -- .---1'-., ~ ,,\: ['-....'\ 0-.'., '.,' ,,,\ N
<br />, "." -'., 0-,'t'-.'\'0-.'t'-.'\'0-.~---First dote for '-
<br />rj: > ~,'.,'\: 0-.'.,I,,~t'-.'.,1'- ~II 32'minimum
<br />:'-. :.t verage' pe'rIOd b"8t'ween, -l'\:
<br />1: temperatures of 32' 1911-192E! -..: V
<br />- _u ,- 1---- -145 dovs _h ___ _->
<br />
<br /> I.l' ,'\'0-.'\:---..'
<br /> ~ ,,\ '\ '\ t'-. '\' -'., 0::~
<br /> }' ,'-..~ :'-. t'-. '\' '., 0::
<br /> IJ '\-0::' 0" :'t-....~'., '.,~ ~
<br /> ] ~ 0['-..._'\ 0-.' ,'., '\ -' 'l'-. '" '\' '.,'~
<br /> ~ ~AVerage period between ,'~
<br /> killing frosts 1929 -1936' ~ 1\::1
<br /> ~ ,,':;. to...'\ 135 do 'S::>~'\ ~
<br /> 1
<br />JAN FEB MAR APR MAY JUNE JULY AUG SEPT OCT NOV DEC
<br />
<br />DEPARTMENT OF THE INTERIOR
<br />BUREAU OF RECLAMATION
<br />WESTERN SLOPE SURVEYS - COLORADO
<br />WEST DIVIDE PROJECT
<br />FROST FREE PERIOD AND GROWING
<br />SEASON AT RIFLE,COLORADO.
<br />
<br />DRAWN.. .F..C:~. ..SUBMITTED........... .' ........
<br />TRAC~D.~.,J..t!.... RECOMMeND~ ~~t".:."/~..
<br />CHECKEO. . . .. . ,APPROVED. . . ~. . .. .
<br />OENVER. COLO. 12-'6-3;' 254-0-128
<br />
<br />,,,
<br />
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