Bill Alden:
87j185: City of Pittsburgh
Bill Alden:
87j287: Gamefisher dinghy at Six Mile Island
Bill Alden:
87l109: Clark Maritime Center, seen from Six Mile Island
Bill Alden:
87l112: Duck blind at head of Six Mile Island
Bill Alden:
88a038: Queen of Hearts at Goose Creek
Bill Alden:
88d168: Ohio River mile 597 right bank (1 of 25) - Clark Maritime Center
Bill Alden:
88d169: Ohio River mile 597 right bank (2 of 25) - Clark Maritime Center
Bill Alden:
88d170: Ohio River mile 597 right bank (3 of 25) - Clark Maritime Center
Bill Alden:
88d171: Ohio River mile 597 right bank (4 of 25) - Clark Maritime Center
Bill Alden:
88d172: Ohio River mile 597 right bank (5 of 25) - Clark Maritime Center
Bill Alden:
88d173: Ohio River mile 597 right bank (6 of 25) - Clark Maritime Center
Bill Alden:
88d174: Ohio River mile 597 right bank (7 of 25) - Clark Maritime Center
Bill Alden:
88d175: Ohio River mile 597 right bank (8 of 25) - Clark Maritime Center
Bill Alden:
88d176: Ohio River mile 597 right bank (9 of 25) - Clark Maritime Center
Bill Alden:
88d177: Ohio River mile 597 right bank (10 of 25) - Clark Maritime Center
Bill Alden:
88d178: Ohio River mile 597 right bank (11 of 25) - Clark Maritime Center
Bill Alden:
88d179: Ohio River mile 597 right bank (12 of 25) - Clark Maritime Center
Bill Alden:
88d180: Ohio River mile 597 right bank (13 of 25) - wooded riverbank
Bill Alden:
88d181: Ohio River mile 597 right bank (14 of 25) - wooded riverbank
Bill Alden:
88d182: Ohio River mile 597 right bank (15 of 25) - wooded riverbank
Bill Alden:
88d183: Ohio River mile 597 right bank (16 of 25) - wooded riverbank
Bill Alden:
88d184: Ohio River mile 597 right bank (17 of 25) - wooded riverbank
Bill Alden:
88d185: Ohio River mile 597 right bank (18 of 25) - wooded riverbank
Bill Alden:
88d186: Ohio River mile 597 right bank (19 of 25) - wooded riverbank
Bill Alden:
88d187: Ohio River mile 597 right bank (20 of 25) - wooded riverbank
Bill Alden:
88d188: Ohio River mile 597 right bank (21 of 25) - wooded riverbank
Bill Alden:
88d189: Ohio River mile 597 right bank (22 of 25) - wooded riverbank
Bill Alden:
88d190: Ohio River mile 597 right bank (23 of 25) - wooded riverbank
Bill Alden:
88d191: Ohio River mile 597 right bank (24 of 25) - wooded riverbank
Bill Alden:
88d192: Ohio River mile 597 right bank (25 of 25) - mouth of Lentzier Creek