This section is from the book "Scientific American Reference Book. A Manual for the Office, Household and Shop", by Albert A. Hopkins, A. Russell Bond. Also available from Amazon: Scientific American Reference Book.
In 1902 there were produced 8,475,-0G7 thousands of common brick. The value of this product was $48,885,869, and the average price per thousand was $5.77. The quantity of front brick produced was 458,391 thousands, valued at $5,318,008. The average price per thousand was $11.00. Of vitrified paving brick the amount produced was G17,192 thousands, valued at $5,744,530, the average price per thousand being $9.31. The value of fancy or ornamental brick was $806,-453. The value of fire brick was $11,-970,511. The value of stove lining was $630,924. The value of drain tile was $3,506,787. The value of sewer pipe was $7,174,892. The value of ornamental terra cotta was $3,526,906. The value of the clay products used in fire-proofing was $3,175,593. The value of tile other than drain tile was $3,622,863. The value of adobes, aquarium ornaments, boiler and locomotive brick and tile, burnt-clay ballast, carboy stoppers, chemical brick and tile; chimney blocks, pipe and tops; clay furnaces, retorts, and settings; conduits for underground wires, crucibles, curbing block, fire-clay insulators, fire mortar, flue lining, furnace brick and tile, gas logs, glasshouse supplies, grave markers, ground fire brick, muffles, oven tile, paving block, porous cups, saggers, stone pumps, wall coping, web tile sewer, and well brick was $3,678,742. The value of the pottery produced was $24,127,453. making a grand total of all clay products of $122,169,531. - U. S. Geological Survey.