F
- fabricating shops (3)
- fabrication (1)
- factories (103)
- fairgrounds (1)
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- fallout shelters (4)
- fan houses (1)
- fans (machinery) (3)
- farmhouses (187)
- farming (221)
- farms (93)
- Federal architectural elements (3)
- feed stores (2)
- fenceposts (1)
- fences (19)
- ferries (12)
- filters (1)
- filtration plants (1)
- financial facilities (1)
- fire escapes (2)
- fire fighting (11)
- fire lookout stations (2)
- fire prevention (16)
- fire stations (59)
- fire towers (3)
- fire-resistive construction (2)
- fireboats (2)
- fireplaces (3)
- fireplace (2)
- fires (142)
- fire (86)
- firing ranges (6)
- fish hatcheries (2)
- fishermen (3)
- fishing vessels (2)
- fishing (17)
- flagpoles (1)
- Flemish bond (2)
- flood control (3)
- floods (3)
- floor plans (2)
- flour & meal industry (58)
- flour mills (24)
- flumes (25)
- food industry (59)
- food processing plants (2)
- food storage buildings (9)
- foot trails (2)
- footpaths (7)
- forebays (4)
- forestry (14)
- forests (2)
- forge shops (13)
- forges (1)
- forging (metal forming) (2)
- forging presses (4)
- fortification elements (2)
- forts & fortifications (66)
- foundations (17)
- foundries (23)
- fountains (6)
- foursquare houses (4)
- fox hunting (1)
- Franciscan (Christian order) (1)
- fraternal lodges (7)
- fraternal organizations (57)
- fraternities & sororities (1)
- freezers (1)
- freight houses (2)
- freight terminals (3)
- Friends meeting houses (29)
- frontier & pioneer life (1)
- fruit (2)
- fuel supply (14)
- fuel tanks (5)
- funeral homes (3)
- funeral rites & ceremonies (19)
- funerary facilities (1)
- fur trade (1)
- furnaces (45)
- furniture industry (1)
- furniture stores (8)
- furniture (12)