Alabama:
Tonnage is based on a voluntary annual report from each operator and information is not verified. The following figures reflect tonnage reported for the year 1998: Limestone - 40.7 million tons (mt); Dolomite - 0.1 mt; Granite - 0.5 mt; Marble - 2.3 mt; Shale - 0.2 mt; Bauxite - 0.01 mt; Clay - 2.5 mt; Sand - 0.4 mt; Sand & Clay - 0.8 mt; Sand & Gravel - 7.2 mt.
California:
As can be seen by responses, we do not have a single mine permitting agency.
Colorado:
Value information in question 30 is provided by CO Geological Survey.
Connecticut:
Because the towns regulate mining, except for near-shore sand and gravel dredging, we do not receive mining information at the Geological Survey.
Missouri:
Barite, Dimension Stone, and Gem Stone production figures are withheld for proprietary reasons, and are not included in the tonnage figures for question 30.
New Jersey:
A U.S. Bureau of Mines "Mineral Industry Survey" was submitted with the questionnaire and is on file at IMCC.
Texas:
Current regulation of non-coal solid mineral production is limited to uranium mining (none active) and safety barriers for aggregate pits and quarries within 200 feet of a public road.
