APPENDIX A. 



WABASH RIVER, IND., AND ILL. 



LOCK. 



Location ................................................ Mt. Carmel, 111. 



Number ................................................. (Only one lock on the river) 



Miles from the Ohio River ................................. 92-9 



Built on ................................................. Rock 



Built of ................................................. Masonry 



Completed .............................................. 1 894 



Extreme length, feet ...................................... 314.6 



Available length, feet ..................................... 214.0 



Clear width, feet ......................................... 52.0 



Lift, feet ................................................ 11.5 



Depth on upper miter-sill, feet ............................. 5 .08 



Depth on lower miter-sill, feet .............................. 3.5 



Height of wall above lower miter-sill, feet .................... 25.0 



Height of wall above floor, feet ............................. 27.0 



Material of floor .......................................... Rock 



Width of wall at floor, feet ................................ 13 and 16 



Width of wall at coping, feet ............................... 7 and 16 



Type of gates ............................................ Miter 



Material of gates ......................................... Wood 



Operating power ......................................... Hand 



Location of filling-valves .................................. Wall 



Location of emptying- valves ............................... Wall 



Total gross area of filling- valves (2 valves) , square feet ......... 49-2 



Total gross area of emptying- valves (2 valves) , square feet ..... 49-2 



Type of filling-valves ..................................... Vertical balanced 



Type of emptying- valves .................................. Vertical balanced 



Type of head-bay coffer ................................... Needle dam 



Type of tail-bay coffer .................................... None 



Number of men employed ................................. Two 



Wages per month ........................................ $45 arid $50 



Original cost, lock and dam ................................ $260,000.00, about 



DAM. 



Type ................................................... Fixed 



Step or slope ............................................ , Slope 



Built on ................................................ P.ock and gravel 



Built of ................................................. Timber cribs filled with rip-rap 



Extreme length, feet ...................................... 1 100 



Extreme width of base, feet ................................ 50 



