Bill Alden:
a2g001a: Unloading propeller at McAlpine Locks interpretive area
Bill Alden:
a2g001b: Unloading propeller at McAlpine Locks interpretive area
Bill Alden:
a2g002a: Positioning propeller at McAlpine Locks interpretive area
Bill Alden:
a2g002b: Positioning propeller at McAlpine Locks interpretive area
Bill Alden:
a2g003: Panorama of McAlpine Locks with demolition of old 360-foot and 600-foot locks
Bill Alden:
a2g004: Demolition of Gold Proof grain silos near Big Four Bridge
Bill Alden:
a2g005: Lafarge cement tanks, Big Four Bridge, Gold Proof grain silos
Bill Alden:
a2g006: Towboat Fred Joerger downbound in Portland Canal
Bill Alden:
a2g007: Towboat Fred Joerger downbound in Portland Canal
Bill Alden:
a2g008: Anne B and Miss Ida
Bill Alden:
a2g009: Emerson-Meredith, cranes, maneuver boat
Bill Alden:
a2g010: Emerson-Meredith, cranes, maneuver boat
Bill Alden:
a2g011: Emerson-Meredith (LD-765)
Bill Alden:
a2g012: Detail of old cranes
Bill Alden:
a2g013: Detail of old cranes
Bill Alden:
a2g014: Old maneuver boat
Bill Alden:
a2g015: Emerson-Meredith (LD-765) with old manuever boat
Bill Alden:
a2g016: Dumping rubble from lock demolition
Bill Alden:
a2g017: Clyde Butcher upbound in Portland Canal
Bill Alden:
a2g018: Clyde Butcher upbound in Portland Canal
Bill Alden:
a2g019: Clyde Butcher upbound in Portland Canal
Bill Alden:
a2g020: Clyde Butcher upbound in Portland Canal
Bill Alden:
a2g021: Clyde Butcher upbound out of Portland Canal
Bill Alden:
a2g022: Demolition of Gold Proof grain silos
Bill Alden:
a2g023: Demolition of Gold Proof grain silos
Bill Alden:
a2g024: Magnolia upbound on Ohio River at Louisville
Bill Alden:
a2g025: Magnolia upbound on Ohio River at Louisville
Bill Alden:
a2g026: Magnolia upbound on Ohio River at Louisville
Bill Alden:
a2g027: Magnolia upbound on Ohio River at Louisville
Bill Alden:
a2g028: Magnolia upbound on Ohio River at Louisville
