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GENERAL INTRODUCTION I
TRANSPORTATION EQUIPMENT Cont
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25 per cent acreage acres agriculture alloy amount animals annually average beet by-products California Canada Carolina centers cereals cheap chemical chiefly climate coal coast commercial copper corn belt cost cotton belt crop dairy deposits developed dimension stone district domestic economic ensilage exports factors farm feed fertilizer fibers fish fisheries flour forest fruits fuel grain grain belt growing grown important industry iron labor Lake land leading legumes limestone machinery manufacture metal methods mills minerals mining natural natural gas North Carolina nuts oats obtained Open-pit mining output petroleum pig iron plants pounds principal production pulp quantity quarry rainfall raw material rayon recently refining region rock shipped soil South southern steel sugar sugar beet sulphur sulphuric acid supply temperature Texas tobacco transportation trees types United usually Valley variety vegetables water power West wheat winter wool York