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M Potter: Interstate gas logo sign, 1970s-80s 2
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M Potter: Interstate lodging logo sign, 1970s
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M Potter: Interstate gas logo sign, 1970s-80s
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M Potter: Do Not Cross Center Median sign
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M Potter: No U Turn sign
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M Potter: Stop Pay Toll sign
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M Potter: Slow toll gate
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M Potter: Do not drive into smoke sign
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M Potter: Texaco interstate billboard, ca 1960s
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M Potter: Texaco Ahead sign, 1950s-60s
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M Potter: Chevron billboard, 1970s-80s
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M Potter: Gulf Oil billboard, 1960s-70s
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M Potter: DX billboard, 1960s
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M Potter: Phillips 66 billboard, 1960s
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M Potter: Sign at Nine Mile Hill exit on I-40 - 2006
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M Potter: Kerr-McGee billboard, 1960s-70s
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M Potter: Interstate lodging logo sing, 1970s-1980s
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M Potter: '73 Chevrolet Camaro billboard
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M Potter: '69 Pontiac Grand Prix billboard
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M Potter: American Oil (Amoco) billboard, 1960s FLAGSTAFF
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M Potter: Exxon billboard, 1980s
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M Potter: Enco billboard, 1960s
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M Potter: Standard Oil (Amoco) billboard, 1960s
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M Potter: American Oil (Amoco) billboard, 1960s
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M Potter: Sinclair Ahead sign, 1960s
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M Potter: Mobil ahead billboard, 1960s-70s
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M Potter: Mobil oil advance sign on highways, 1957-65
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M Potter: 1980 view of US 66-54 west of Tucumcari
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M Potter: Route 66 east of Flagstaff, ca 1959 B&W
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M Potter: '59 Wide-Track Pontiac billboard