TaLle 13." 



jAStailLation BX'd 'jpei'-ation of five tuiits of e>q?erir-entaJ 

 control stru'c^ui'3F~'i^~-at9d~in 1950 and 1951 1/ 



'IW' 



i9Fr 



Operational -unit 



IrJ.-bial I; 



i installLation i Annual 

 acd repa^.r jj operation 



Reinstallation 

 and renair 



Annual 

 operation 



I 



.1 " Trout River gi-oup 



(1 control struct'^-ire) 



2 - Ooquuoo - Gai'p Croek g:.-oup 



(2 r.r.ntrcl staructuT'e--;) 



3 •■ Cheboygan group 



(8 oontrcl sti.-'u.ct.ir^es) 



U - Gaz-p La>:e Rive::- group 

 (1 control stn".ctui-e.) 



Control Zone R-H. 



(12 control stractures ) 

 Sub'-tota-L 



S " Pendills Creek gjroup 

 (1 stinKAvx-s) 



2/ 



- lJ-,721 



1,951 





17,i;25 

 529 



^1,053 

 3,172 



2,793 



82U 



7,8ij.2 



856 



$321 

 1,096 



583 

 220 



2,220 

 130 



Grarid total 



(13 control structu;:'e3 ) 



17, 95U 



8,698 2,350 



$1,061 



2,6l!l 



2,260 

 835 



6,797 

 55i4 



7,351 



1/ Does net include ccst of engineering supe:.'vision or administrative overhead 



2/ Includes $12,800 for construction of perrn>iiient-type Ocqueoc River iveir and 

 ~ traps which -w-as in;? tailed ir-. 19l!.8 



30 



