=25. Flagstones= for sidewalks, ordinary stock, natural surface, 3
inches thick, with joints pitched to line, in lengths (along walk) from
3 to 5 feet, will cost, for a 3-foot walk, about 11 cents per square
foot (if 2 inches thick, 10½ cents); for a 4-foot walk, 12 cents; and
for a 5-foot walk, 16 cents. The cost of laying all sizes will average
about 3 cents per square foot. These figures do not include cost of
hauling.
Curbing, 4 in. × 24 in., granite, will cost from 40 to 50 cents per
linear foot at the quarry; digging and setting will cost from 10 to
12 cents additional; and the cost of freight and hauling must also be
added.