Total XX r93,058 XX r93,793 XX r102,268 
See footnotes at end of table. 
XX 97,538 
I.', 
Petroleum (crude) thousand 42-gallon barrels.... 1,874 8,321 1,632 7,246
1,735 7,925 1,972 9,026 
Salt thousandshorttons.... 4,816 34,216 5,002 35,771 4,980 36,203 5,320 41,568

Sandandgravel do...... 39,282 38,583 39,225 40,370 41,903 43,091 43,500 44,499

Silver (recoverable content of ores, etc.) thousand troy ounces.  13 17 11
15 22 28 31 48 
Stone thousand short tons.... 29,141 46,669 30,801 48,675 34,130 54,543 33,389
56,615 
Zinc (recoverable content of ores, etc.) short tons_  60,754 16,525 69,880
20,405 73,454 21,802 70,555 19 534 
Value of items that cannot be disclosed: Cement, abrasive garnet, iron 
 ore, talc, titanium concentrate, wollastonite, and values indicated 
 by symbol W  XX 137,202 XX 130,684 XX r 121,482 XX 110,620 
Total XX 288,445 XX 290,057 XX p300,807 XX 299,818 
NORTH CAROLINA 
 
Barite thousand short tons 1 6 
 
Clays a do..... 3,199 $2,064 3,383 $2,162 3,381 $2,241 2,977 2,012Feldspar
longtons.... r281,449 r2,342 278,990 3,153 301,610 3,157 265,690 3,113Gemstones
NA 15 NA 15 NA 15 NA 25 
 
Mica: 
 
   Scrap short tons_ 64,010 2,027 72,199 1,987 63,480 2,848 69,639 1,751
  Sheet pounds.... 242,662 58 713,293 185 4,500 1 4,500 WPhosphaterock thousandshorttons....
7 41   W W W WSand and gravel do........ 11,150 10,404 10,499 10,076 11,601
11,132 10,014 9,962Stone do......_ 417,943 430,378 ' 18,835 430,920 422,377
' 36,136 24,507 41,488Talc and pyrophyllite short tons.... 106,035 495 109,721
556 113,366 576 109,393 513Value of items that cannot be disclosed: Asbestos,
cement, clay (kaolin), lithium minerals, olivine, stone (crushed and dimension
marble and dimension slate 1964—66), tungsten concentrate (1964), and
values indicated by symbol W  XX 7,903 XX 11,329 XX 16,272 XX 18,224 
 ———————————~~————————————_—————

 Total XX 55,727 XX 60,383 XX 71,878 XX 77,094 
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NORTH DAKOTA 
 
Clays thousand short tons..  85 $119 81 $114 r 76 $100 W WCoal (lignite)
do......_ 2,637 5,659 2,732 5,848 3,543 6,976 4,156 $7,967Gemstones  NA 1
NA 1 NA 1 NA 1 
 
Natural gas million cubic feet.. - 34,512 7,634 35,652 5,704 46,585 7,547
40,462 6,636Natural gas liquids: 
 
   Natural gasoline thousand gallons.... 21,368 1,338 21,059 1,263 23,200
1,415 23,284 1,443   LPgases do...... 84,338 2,960 85,174 3,066 91,884 3,859
88,665 3,901Petroleum (crude) thousand 42-gallon barrels..  25,731 63,813
26,350 65,875 27,126 69,170 25,315 65,818Sand and gravel thousand short tons....
10,520 10,142 7,574 7,895 10,145 10,568 8,822 9,118Stone do...... 31 56 356
624 170 305 596 1,092Value of items that cannot be disclosed: Lime (1965—67),
molybdenum, peat, salt, uranium, vanadium (1965), and values indicated by
symbolW  XX rl,336 XX r3,403 XX p2,327 XX 1,562