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100 dollars reward. Ran away from the subscriber, living near Charlestown, Jefferson County, Virginia, on the night of the 4th instant two negro men Robert & Lewis ... John Lock. October 6, 1834. Charlestown: Printed at the Virginia Free Press O

Map of the proposed Lock Haven & Tyrone Rail Road, by J. M. McMinn, Esqr. Civil Engineer.

Poe Lock, Sault Ste. Marie

[Loveid Lock, Telemarken (i.e, Telemark), Norway]

[Eidsfos Lock, Telemarken (i.e, Telemark), Norway]

[East Farleigh Lock, near Maidstone, England]

[Windsor, Boulter's Lock, Berkshire, England]

[Bude, the lock, Cornwall, England]

Poe Lock, Sault Ste. Marie

Weitzle [i.e. Weitzel] Lock, Sault Ste. Marie

Weitzle [i.e. Weitzel] Lock, Sault Ste. Marie

Poe Lock, Sault Ste. Marie

Poe Lock, Sault Ste. Marie

[Vuangfos (i.e., Vrangfoss) Lock, Bandak Canal, Telemarken (i.e, Telemark), Norway]

[Str. Queen City in Poe Lock, Sault Ste. Marie]

"Whaleback" leaving Poe Lock, Sault Ste. Marie, Michigan

[Str. Augustus B. Wolvin in Poe Lock, Sault Ste. Marie, Mich.]

[Whaleback entering Weitzel Lock, Sault Sainte Marie, Mich.]

[Sault Ste. Marie, Mich., whaleback barge in We[i]tzel Lock]

Entering Poe Lock, Sault Ste. Marie, Michigan

Pedro Miguel Lock site, excavations, looking south down to grade, Panama

Leaving the Poe Lock, Sault Ste. Marie, Michigan

Repairing a lock gate, S.S. Marie, Mich.

[Weitzel Lock, Sault Ste. Marie, Mich.]

An Excursion steamer in Weitzel Lock, Sault Ste. Marie, Mich.

[S.S. Thomas F. Cole in Poe Lock, Sault Ste. Marie, Mich.]

[Lower entrance to Poe Lock, Sault Ste. Marie, Mich.]

Lock and drill dept., National Cash Register, Dayton, O[hio]

[Freighter in Poe Lock, looking down, Sault Ste. Marie, Mich.]

[Str. Charles M. Warner leaving Poe Lock, Sault Ste. Marie, Mich.]

Str. David M. Whitney entering the Poe Lock, Sault Ste. Marie

Whalebacks locking in the Weitzel Lock

A lock of black curly hair tied with blue ribbon

Entering and leaving Poe Lock, Sault Ste. Marie, Mich.

Entering Poe Lock, Sault Ste. Marie, Mich.

Poe Lock, S.S. Marie, Mich.

Gatun Dam Lock site

Panama Canal. Gatun Lock

Panama Canal. Gatun Lock

Pedro Miguel Lock, Panama Canal

Panama Canal. Gatun Lock, steamer [...] steaming into Gatun Lock

Panama Canal. Miraflores Lock

Miraflores Lock, Panama Canal

No. [...] [P]edro Miguel Lock, Panama Canal

[A concrete mixer at work at Pedro Miguel Lock site, Panama Canal]

Gatun Lock chamber, Panama Canal

[Concrete construction at Gatun Lock site, Panama Canal]

[Lock and bridge, probably Salem, Mass.]

The approaches to Gatun Lock

Gatun Lock - end of the day / J. Pennell [in reverse].

Great cranes in Miraflores Lock

Lock on the Chesapeake and Ohio Canal near Washington, D.C.

The guard gate [under construction], Gatun Lock, Panama

The guard gate [Gatun Lock]

South end of Pedro Miguel locks, showing Miraflores Lock one and one-half mile in the distance, Pedro Miguel, Panama Cnaal

U.S. submarines in Gatun Lock

St. Marys Falls Canal, Michigan : lower approach to locks, Poe Lock at upper level, 3rd lock at lower level

U.S. submarines in Gatun Lock

U.S. submarines in Gatun Lock

Stern view of American submarines in Gatun Lock

U.S. submarines in Gatun Lock

[Lock, General Pat? Office, U.S. American, 1798]

Lock Keeper's House. Exterior of Lock Keeper's House

Visitors' buildings. Because the TVA (Tennessee Valley Authority) system is owned by the public, visitors are encouraged to inspect the projects, and do so in large numbers. Many of them arrive after traveling long distances; therefore, restrooms and refreshment concessions are provided. The photograph shows such facilities at south end of Pickwick Landing Dam, divided between twin buildings which straddle the earthfill portion of the dam. The buildings front on an overlook terrace which connects with broad stairs to the lock operating deck below

Dams under construction. Kentucky Dam, close to the mouth of the Tennessee River, will be one of the biggest projects of the Authority and will back the water up for a distance of 185 miles. It will be completed in 1944. This photograph shows a partial view of the lock operation building, with the commanding officer's work space, shaped somewhat like a control cabin in the foreground on the second floor. The near wing contains visitors' rest rooms while the lock switchboard is in the far wing, entered through the door in the foreground of the picture. Visitors are admitted to the various roof levels to watch the locking operation

Dams under construction. The operation building for the navigation lock at Watts Bar has been completed ahead of the rest of the project to permit the passage of river transport during construction. The left wing contains control machinery on the first floor and the commanding officer's work space on the second. The center of the upper level is a sheltered observation space for visitors who are received and accommodated in the right wing of the structure, and for access to the right end of the roof. All lock operation buildings are designed for maximum view of the lock chamber and the up- and downriver approaches by the operators and the public

Visitors' buildings. Another view of the Chickamauga visitors' building described under K 2402. The upper structure, mainly of steel with interchangeable window and door panels. The guard station, refreshment concession, and informative displays are within the glass enclosure. The lock control building appears to the left, the upstream side of the dam and the powerhouse in the distance

View of Ft. Clayton, Panama Canal, Miraflores Lock and Lake, 1936

Lock and dam no. 2 looking upstream on the upper Mississippi River

The "water company" was formed by the people in abandoned mining town of Jere, West Virginia, after the coal company cut off all public services because they were abandoning the mine. The coal company used to charge one dollar and twenty-cove cents per month for water. The present "people's" water company charges its members twenty-five cents per month and makes money at that even when everyone can't pay dues. There are dividends of flour, sugar, lard, etc. The lock is necessary to keep people from other camps from stealing the water, which is very scarce. It's still necessary to change the lock about every four months

The photographs in the Farm Security Administration / Office of War Information Photograph

Commemoration exercises, Gatun Lock, Panama Canal

Lock and dam no. 5 looking downstream on the upper Mississippi River

Oil carrier powered by diesel engine enters Lock Eleven. Amsterdam, New York

Production. Halftrac armoured cars. Steel sheets from which body parts for halftrac cars will be made are case-hardened in a large Eastern plant converted from the manufacture of locks and safes. Diebold Safe and Lock Company, Canton, Ohio

Production. Halftrac armoured cars. Bolting up sections of steel plate that will be used in the production of a body for a halftrac scout car. Great numbers of bodies are turned out in this plant, which formerly made locks and safes. Diebold Safe and Lock Company, Canton, Ohio

Barges passing through Lock Eleven. Erie Canal, New York

Lock at Fort Hunter, New York

Barge in Lock Eleven. Erie Canal, near Amsterdam, New York

Lock Eleven on the Erie Canal at Amsterdam, New York

Tug pulling barges through Lock Eleven. Erie Canal, New York

Production. Halftrac armoured cars. Attaching a chain sling to a lift of steel plates for the production of halftrac scout cars in a converted Eastern lock and safe plant. Diebold Safe and Lock Company, Canton, Ohio

Production. Halftrac armoured cars. Straightening a piece of steel plate that will be used in the production of a body for a halftrac scout car. Great numbers of bodies are turned out in this plant, which formerly made locks and safes. Diebold Safe and Lock Company, Canton, Ohio

Production. Halftrac armoured cars. Attaching body parts to a halftrac scout car in the converted Eastern plant of a lock and safe manufacturer. Diebold Safe and Lock Company, Canton, Ohio

Production. Halftrac armoured cars. Attaching body parts to a halftrac scout car in the converted Eastern plant of a lock and safe manufacturer. Diebold Safe and Lock Company, Canton, Ohio

Lock on the old Erie Canal not in use. New York

Tanker churning out of Lock Eleven, Erie Canal, New York

Sailor slacking of ship's hawser as vessel settles in Lock Eleven. Amsterdam, New York

Production. Halftrac armoured cars. Another halftrac scout car leaves a body assembly line in an Eastern plant producing locks and safes. Diebold Safe and Lock Company, Canton, Ohio

Lock Eleven on the Erie Canal at Amsterdam, New York

Amsterdam (vicinity), New York. Lock Eleven on the Erie Canal

Production. Halftrac armoured cars. An arc welder joins parts of the body of a halftrac scout car in the converted Eastern plant of a lock and safe manufacturer. Diebold Safe and Lock Company, Canton, Ohio

Production. Halftrac armoured cars. An arc welder joins parts of the body of a halftrac scout car in the converted Eastern plant of a lock and safe manufacturer. Diebold Safe and Lock Company, Canton, Ohio

Production. Halftrac armoured cars. Preparing to install non-leaking gasoline tanks on the chassis of a halftrac scout car. The Eastern plant in which the body is made and installed formerly produced locks and safes. Diebold Safe and Lock Company, Canton, Ohio

Production. Halftrac armoured cars. Steel sheets from which body parts for halftrac cars will be made are case-hardened in a large Eastern plant converted from the manufacture of locks and safes. Diebold Safe and Lock Company, Canton, Ohio

Lock hand opens lock gates by electric controls. Lock Eleven, Amsterdam, New York

Many of the Erie Canal barges are still built of wood. Lock Eleven, Amsterdam, New York

Water pouring into lock. Lock Eleven, Amsterdam, New York

Production. Halftrac armoured cars. A partly-finished halftrac scout car body is lowered on a chassis in an Eastern war plant which formerly produced locks and safes. Diebold Safe and Lock Company, Canton, Ohio

Production. Halftrac armoured cars. Attaching body parts to a halftrac scout car in the converted Eastern plant of a lock and safe manufacturer. Diebold Safe and Lock Company, Canton, Ohio