District Engineer, Louisville S2 ~
686. PAY EXCAVATIOYS FROI STATIOI 2 x 50 A to STATIOI 4 x O0 A, *
1915 - 1916. Survey record of pay qualities for excavation in the Q
construction of lock and dam Ho. 48 on Ohio River. (Never.) 10 x
10 vols., 1 ft., in closed wooden cabinet. Torn. R. 4. (1152)
687. COISTRUCTION RECORD OF DAL HO. 48, 1920. Showing steel and {
other material used in the construction of lock and dan Io. 48 on the {
Ohio River; also contract specifications and related correspondence. I
(Rarely, official.) 9 x 12 folders, 2 ft., in closed wooden cabinet. ;
R. 4. (1152) 4
688. CONTRACTS, GTERR ADD DARREH RIVERS, 1920. For construction .
of locks and dams on the Green and Darren Rivers; copies. Card index. ~l
(Daily, official.) 9 x 14 folders, 2 ft., in drawer of steel filing I ,
Cage. a. 454. (sv4) ’ 4
689. LOCK 5, ORDER RIVER, 1920. Various records and reports
relative to the construction of lock Ro. 5 on Green River. Card index. r
(Daily, official.) 9 x 14 folders, 2 ft., in drawer of steel filing g
case. R. 454. (570)
I
690. RECORDS OF COITLACTS FOR COISTRUCTIOL AID OPERATION OF DAIB I
ROS. 41 AFD 45 - E5, 1920 to date. Bids on contracts for construction _
and operation. Card index. (Daily, official.) 9 x 14 folders, 2 ft., 1
in drawer of steel filing case. R. 454. (564) 1
691. GOVERNLHII WORK, 1921. General inforration on contracts,
costs and working data, pertaining to the construction of lock and dam 1
No. 48 on the Ohio River. (Rover.) 12 x 14 vols., 1 ft., on shelf in
wooden cabinet. R. 4. (1146) ~
592. DAN H0. 51, OHIO RIVER, 1925 — 1928. Engineer's record )
relative to elevations, excavations, ranges, altitudes, and calcu-
lations used in the construction of dam No. 51 on the Ohio River at
Galconda, Illinois. (Annually, official.) 10 x 15 vols., 1 ft., on
shelf in wooden cabinet. R. 4. (1155)
635. DAILY RECORD OR LOG BOOK FOR LOCK AED DAY I0. 50, 1920 -
1928. Daily record of construction activities on lock and dam Io. 50
on the Ohio River. (Fever.) 7 x 15 vols. and bundles, 5 ft., on shelf
i in closed wooden cabinet. R. 4. (1124)
COTYQEQREQSEEE
694. LISCELLAILOUS CORIRSPOIDYICE, 1920 to date. With contractors
Rnd employees with regard to costs, examinations, surveys, etc.
(D&i1y, official.) 9 x 14 folders, 44 ft., in 22 drawers of filing
Cisss. 1. 4;;. {sei)
695. LOCIS AID DAYS 01 IIT GRLRI, DIRRET, ..’’ AYD WRDASI RIVERS, 1920
to date. General correspondence regarding the ojoration of locks and