Libby, E.P. (Evelen Porter) (ca. 1830-1895)

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View of canal and locks, Keokuk, Iowa.

Photographer: Libby, E.P. (Evelen Porter) (ca. 1830-1895)
Subjects: Iowa, Machinery, Construction, Rivers, Keokuk (Iowa), Locks (Hydraulic engineering)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

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View of canal and locks, Keokuk, Iowa.

Photographer: Libby, E.P. (Evelen Porter) (ca. 1830-1895)
Subjects: Iowa, Machinery, Construction, Rivers, Keokuk (Iowa), Locks (Hydraulic engineering)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

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Worker sitting near the locks.

Photographer: Libby, E.P. (Evelen Porter) (ca. 1830-1895)
Subjects: Iowa, Machinery, Construction, Ladders, Locks (Hydraulic engineering)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

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Workers at the canal locks, Keokuk, Iowa.

Photographer: Libby, E.P. (Evelen Porter) (ca. 1830-1895)
Subjects: Iowa, Machinery, Canals, Keokuk (Iowa), Locks (Hydraulic engineering)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

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Railroad workers at a railroad construction area.

Photographer: Libby, E.P. (Evelen Porter) (ca. 1830-1895)
Subjects: Iowa, Railroads construction & maintenance, Machinery, Railroad tracks, Railroad sidings
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]

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Workers at the locks, Keokuk,Iowa.

Photographer: Libby, E.P. (Evelen Porter) (ca. 1830-1895)
Subjects: Iowa, Canals, Construction, Keokuk (Iowa), Locks (Hydraulic engineering)
Collection: NYPL Digital Collections: Robert N. Dennis [From The New York Public Library]