Show SAND AND GRAVEL WORTH 21 MILLIONS one of tho the important industries b in the united states of which comparatively little la is written Is tile the prodoc of sand and gravel in 1911 according to a report hy by E F blanch urd ard just issued uy by the united states geological shivey the production pio ot of short tons valued at sand and gravel amounted to the th production of sand of all kinds was 40 tons tona valued at 14 and that of gravel was 26 tons N valued at the production of glass sand band wag waa valti valued xi at an increase over 1910 the sand used tor for building in 1911 atas as valued at a slight decrease dec deci tease ease as compared alth ith 1910 this was accounted for b less activity la in 1911 in the building trades ImI ink that of conchete conci ete construe cioll ilbe production of sand in 1911 was valued at a marked decrease ats at r with 1910 the production of all other sands in 1911 such as sand for grinding and polishing fire sand aana engine sand and filtration sand waa nas valued at an increase of over a million dollars in value alue as aa compared width 1910 |