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The Douglas Campbell Show: View from Sideling Hill, Interstate 68, MD (1995)
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The Douglas Campbell Show: View from Sideling Hill (I-68), MD (1995)
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The Douglas Campbell Show: Cutting at Sideling Hill, Interstate 68, MD (1995)
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The Douglas Campbell Show: I-68 in cutting at Sideling Hill, MD (1995)
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The Douglas Campbell Show: Cutting at Sideling Hill, Interstate 68, MD (1995)
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The Douglas Campbell Show: I-68 in cutting, Sideling Hill, MD (1995)