Seventy Ingersoll-Rand rock drills, Nos. 1, 3¼, and 4.

Two Rand quarry bars, cutting 10 ft. in length at one set-up, and
mounted with No. 4 drill using a Z-bit.

_4._--_Transportation Plant._

Twenty-one H. K. Porter locomotives, 10 by 16-in., and 36-in. gauge.

Three Davenport locomotives, 9 by 16-in., and 36-in. gauge.

One hundred and forty Western dump-cars, each of 4 cu. yd. capacity.

One hundred and sixty-five flat cars, with iron skips, each of 4 cu.
yd. capacity.

_5._--_Dock Plant._

Four stiff-leg derricks on extension, having 35-ft. masts and 40-ft.
booms, and each operated by a 60-h.p. Lambert, three-drum, electric,
hoisting engine.

One stiff-leg derrick, on the south side of the pier on the upper
deck, with a 28-ft. mast operated by a three-drum Lambert engine
and a 25-h.p. vertical boiler.

One stiff-leg derrick, on the north side of the dock on the upper
deck, used exclusively for bringing in brick, electric conduit,
pipe, and other building material, operated when first erected by a