27 documents satisfont la requête.
236 Sleeping quarters for Negro Laborers
Auteur(s) : Hallen, Ernest ( Photographer )
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519-A2- Side Wall Construction, Gatun Middle Locks, Looking North--Nov. 1, 1910
Auteur(s) : Hallen, Ernest
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42-B. - The Cut at Empire. Looking North, from 1665. Jan. 1910.
Auteur(s) : Hallen, Ernest ( Photographer )
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146-E-Commissary Gatun. - 1911
Auteur(s) : Hallen, Ernest ( photographer )
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518-L Constructing Sidewall Monoliths, Upper Lock, Gatun. Feb 15, 1910
Auteur(s) : Hallen, Ernest ( Photographer )
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18-E. - Loading Holes with Dynamite to blast Moving Face of Slide in West Bank of Cut, Culebra-on-the-Dump. - February 1912.
Auteur(s) : Hallen, Ernest ( photographer )
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316-A3. Panama Canal. Division Engineer of Central Division with Assistants and Office Force. Empire, C.Z. 1909.
Auteur(s) : Hallen, Ernest
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51-G. Gatun Upper Locks and Dam From Office Building. Looking West. June 2, 1910.
Auteur(s) : Hallen, Ernest ( photographer )
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276-C - Interior of Seismograph Room, Ancon Observatory
Auteur(s) : Hallen, Ernest
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316-A2. Panama Canal. Isthmian Canal Commission. Administration Bldg. Culebra, C.Z. April 1908.
Auteur(s) : Hallen, Ernest
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Unloading steel piling for dock 15, Balboa ; 26-N 71 Unloading steel piling for dock 15, Balboa. Oct. 28 1936
Auteur(s) : Hallen, Ernest ( Photographer )
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99-A Surveyers out in the Jungle. Locating Party.
Auteur(s) : Hallen, Ernest
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Jnstalling (Installing) Floor and Lateral Culverts Gatun
Auteur(s) : Hallen, Ernest
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407-B. Relocation Panama Railroad. Construction Camp showing Old Box Car Bodies used as Living Quarters. - June, 1910.
Auteur(s) : Hallen, Ernest ( photographer )
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Panama Canal album #2
Auteur(s) : Hallen, Ernest ( Photographer )
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Hand Excavation at Bohio ; 70-B.- Hand Excavation at Bohio. June, 1909
Auteur(s) : Hallen, Ernest
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516 1/2 - U Gatun Upper Locks Looking South from West Bank. July 2 1910
Auteur(s) : Hallen, Ernest ( Photographer )
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517 1/2-S. - Gatun Upper Locks. Showing Middle Wall and part of Lock Chambers. July 2, 1910
Auteur(s) : Hallen, Ernest ( Photographer )
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80-A45. Opening of the Panama Canal. S.S. Ancon in Culebra Cut, near Empire, Aug. 15, 1914
Auteur(s) : Hallen, Ernest ( Photographer )
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