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Mileposts mark Arizona highways
Reinforced concrete mileposts installed on Arizona highways indicate number of accumulated miles in easterly or northerly direction; posts are triangular in cross section 5 × 6 × 6 in.; numbers were cast into posts from interchangeable aluminum plates.
Mileposts mark Arizona highways
Reinforced concrete mileposts installed on Arizona highways indicate number of accumulated miles in easterly or northerly direction; posts are triangular in cross section 5 × 6 × 6 in.; numbers were cast into posts from interchangeable aluminum plates.
Mileposts mark Arizona highways
Better Roads
Better Roads ; 18
1948
Article (Journal)
English
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Geologic guidebook 2 -- Highways of Arizona -- Arizona highways 77 and 177
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