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Show Maryland Increases Mineral Output The, mineral production of Maryland Mary-land in 1913 was valued at $11,292,-723, $11,292,-723, compare with $10,851,671 In 1912, according to figures compiled by tho United States Geological Survey Sur-vey in cooperation witli tho State Survoy. The value of tho coal min ed constituted more tlitm half of tho total, being $5,927,046, a slight Increase In-crease over 1912. Second In Importance among the mining Industries ot Maryland is clay working. Tho clays ot tho StHtu aro widely distributed and suitable for a variety of uses. Tho total val-ue val-ue of the clay product's In 1913 was $1,917,500, a' normal Incrchso over the figures for 1912. ' Tho third mineral Industry, in Importance, Im-portance, is stono uuarryiug the va'luo of tho outpui In 1913 being $1,-153.115, $1,-153.115, against $1,032,022 In 1912. The production of sand and gravel increased from 1,650,9904 short tons In 1912 to 1,821,214 tons In 1913, but the vhluo decreased slightly. Other commercial mineral products of Maryland aro cement, feldspar, infusorial infu-sorial earth, mineral paints, mineral waters, sand Hd'ib brick, silver, talc, and soapstonfl. |