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- Hopper 78931 at Mill Creek, Oklahoma on July 7, 1998 (R.R. Taylor)
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- Hopper 78931 at Mill Creek, Oklahoma on July 7, 1998 (R.R. Taylor)
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- Hopper 78931 at Mill Creek, Oklahoma on July 7, 1998 (R.R. Taylor)
Hopper 78931 at Mill Creek, Oklahoma on July 7, 1998 (R.R. Taylor).
