Jonesville Lock & Dam | Ouachita/Black Mile 25.0 | 318-339-7839
Navigation Pass	39.5'
Upper Navigation Pool	34'
Lower Navigation Pool	4'
Upper Lock Sill	16'
Lower Lock Sill	-11'
Top of Lock Wall	42'
Top of Miter Gates	42'
Concrete Spillway Elevation	28.5'
Top of Closed Spillway Gates	33.5'
Embankment Elevation	50'

All elevations are in NGVD.
Spillways are hinged crest or fixed weir elevations.

POC for this page:

    Ryan Hoben
    601-631-5589
    Vicksburg, MS
    Ryan.M.Hoben@usace.army.mil