Bob and Bill, twin brothers in the mountains explore animal hunting and trapping efforts over a series of 15 adventures.
The Fighting Trail
1917
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Perils of Thunder Mountain
1919
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The Mystery Mind
1920
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Captain Kidd
1922
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The Isle of Sunken Gold
1927
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The Great Circus Mystery
1925
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Vanishing Millions
1926
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The Vanishing Dagger
1920
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The Terrible People
1928
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The Hawk's Trail
1919
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Old King Coal
1916
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The Harbor Transportation Trust
1916
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The Fates and Flora Fourflush
1914
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The Fatal Fortune
1919
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Perils of the Yukon
1922
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The Ace of Spades
1925
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The Great Reward
1921
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The Scarlet Streak
1925
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The Mystery Box
1925
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The Fast Express
1924
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