Description and travel (29)
History (28)
Historic sites (25)
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Telecommunication (21)
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Social life and customs (18)
Antiquities (14)
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History, Local (8)
Automobile travel (7)
Indians of North America (7)
Travel (7)
Adventure travel (6)
Walking (6)
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Buildings, structures, etc (5)
Homes and haunts (5)
Natural history (5)
Architecture (4)
Cities and towns (4)
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Shopping (4)
Beer (3)
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Canoes and canoeing (3)
Coastal ecology (3)
Hiking (3)
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Roads (3)
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Trails (3)
Antietam, Battle of, Md., 1862. (2)
Artisans (2)
Authorship (2)
Barbecuing (2)
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Bird watching (2)
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Caves (2)
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Disappeared persons (2)
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National parks and reserves (2)
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Prairies (2)
Projectile points (2)
South Mountain, Battle of, Md., 1862. (2)
State-sponsored terrorism (2)
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Thrift shops (2)
Underground areas (2)
Victims of state-sponsored terrorism (2)
World War, 1914-1918 (2)
Abbeys (1)
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Aerial operations (1)
African Americans (1)
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Alpine regions (1)
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Boats and boating (1)
Cajuns (1)
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Canoe camping (1)
