Bill Alden: a4g001_2mp: Corps of Engineers repair station
Bill Alden: a4g002_2mp: construction of Portland-Shippingport Bridge
Bill Alden: a4g003_2mp: [Louisville and] Portland Canal
Bill Alden: a4g004_2mp: Waterfront Park docks
Bill Alden: a4g005_2mp: rowing near Towhead Island
Bill Alden: a4g006_2mp: Gallagher Station power plant
Bill Alden: a4g007_2mp: future site of Portland Wharf Park
Bill Alden: a4g008_2mp: Beargrass Creek pumping station
Bill Alden: a4g009: Killian L. Huger upbound at Louisville
Bill Alden: a4g010_17mp: Lenard, dredge Bill Holman
Bill Alden: a4g011_17mp: Lenard
Bill Alden: a4g012_17mp: Lenard, Buddy, dredge Bill Holman
Bill Alden: a4g013_17mp: Sierra Dawn, Lenard, L&I Bridge
Bill Alden: a4h001_2mp: Riverwalk near 18th St.
Bill Alden: a4h002_2mp: J. N. Philips
Bill Alden: a4h003_2mp: Mary Artie Brannon
Bill Alden: a4h004_2mp: Hamilton at head of Portland Canal
Bill Alden: a4h005_2mp: Clark Bridge
Bill Alden: a4h006_2mp: Cox Park
Bill Alden: a4h008_2mp: Jeffersonville dock access road
Bill Alden: a4h009_2mp: River Beaver
Bill Alden: a4h010_2mp: River Beaver
Bill Alden: a4h013_2mp: Waterfront Park
Bill Alden: a4h014_2mp: Garvin Brown Preserve
Bill Alden: a4h015_2mp: Garvin Brown Preserve
Bill Alden: a4h016_2mp: Cox Park
Bill Alden: a4i001_2mp: Aurora
Bill Alden: a4i002_2mp: R. L. Griffith at K&I Bridge
Bill Alden: a4i003_2mp: Bill Stegbauer
Bill Alden: a4i004_2mp: Gail Ann