TABLE II.-Partial report of the operations of certain of the pipe-line hydraulic dredges belonging to the Engineer Department, U. S. Army, for the fiscal year ending June 30, 1910—Continued.

Number, size, and type of pumping engines.

Number and type of boilers.

1906.

Orange, Tex.

Bowers Southern Dredging Co. 7 months.

Long-leaf pine, copper sheathed.

$102,000..

$10,952.45.

138 feet 6 inches.

37 feet..

13 feet..

1907-8.

Baltimore, Md.

Ellicott Machine Co.
About 7 months.
Steel.
$119,676.21.
$31,500.13.

134 feet 5 inches.

38 feet....

8 feet..

Double horizontal, 12 x 14 inches;
single-screw propulsion.

12 x 20 x 32 cylinders, 20-inch
stroke, triple expansion.

2 Scotch marine boilers..

11 feet.. do.

1908.

Portland, Oreg.

Portland Iron Works.

8 months..

1 Ball engine, 18 and 28 inch di- Triple expansion, 12 x 20 x 33

Savannah, Ga..

Savannah Harbor, Ga.....

2 to 21 feet..

Sand, mud, ballast rock, shells,

20 to 30 feet.

and clay.

3.5 feet per cut (30,450 feet channel).

18.45 feet.

3.7 feet.

962,684 cubic yards.

4,167.4 cubic yards.

TABLE II.-Partial report of the operations of certain of the pipe-line hydraulic dredges belonging to the Engineer Department, U. S. Army, for the fiscal year ending June 30, 1910-Continued.