Stone thousand short tons_ 34,650 37,002 34,713 36,438 37,864 40,380 36,432
39,910 
Value of items that cannot be disclosed: Bromine, calcium-magnesium 
chloride, gem stones, iodine, potassium salts, and values indicated 
 bysymboiW XX 54,278 XX 53,490 XX 56,446 XX 58,039 
 Total XX 554,882 XX 565,560 XX 602,127 XX 610,204 
 
MINNESOTA 
Clays3  thousand short tons.. 213 $319 207 $311 224 $336 228 $342 
Iron ore (usable) thousand long tons, gross weight  49,626 449,289 50,873
459,290 55,133 499,388 49,457 468,623 
Manganiferous ore (5 to 35 percent Mn) short tons, gross weight  188,481
W 280,705 W 275,581 W 236,753 W 
Peat  short tons... 19,188 405 7,346 123 11,366 197 13,968 257 
Sand and gravel  thousand short tons.... 35,817 25,907 37,545 27,296 39,331
28,972 41,212 33,132 
Stone  do...... 3,588 12,297 4,371 11,680 4,901 11,688 4,160 11,442 
Value of items that cannot be disclosed:  Abrasive stones, cement, fire 
 clay, gem stones, lime, and values  indicated by symbol W         XX   
     9,278         XX         9,060         XX         9,696         XX 
       9,530 
 Total XX 497,495 XX 507,760 XX 550,277 XX 523,326 
 
MISSISSIPPI 
Clays thousandshorttons.... 1,331 $6,130 1,502 $6,997 1,727 $7,489 1,654
$7,852 ~'  
Natural gas million cubic feet... 180,428 31,385 166,825 28,861 156,652 27,257
139,497 24,133 
Natural gas liquids: 
   Natural gasoline and cycle products thousand gallons..  27,485 1,644 26,582
1,606 28,765 1,488 17,939 1,167 
   LPgases do~... 23,277 780 22,150 975 18,621 987 17,794 1,085 ~ 
Petroleum (crude) thousand 42-gallon barrels..  56,777 151,595 56,183 148,437
55,227 146,353 57,147 155,726 
Sandandgravel thousandshorttons.... 7,825 8,569 8,447 8,717 12,675 13,563
14,039 15,485 
Stone do__ 1,553 1,557 ~2,357 ~2,358 ~1,532 ~1,641 1,879 2,055 ~ 
Value of items that cannot be disclosed: Cement, iron ore (1965—67),

 lime, magnesium compounds, and stone (dimension sandstone 
 1965—66)  XX 10,533 XX 12,082 XX 12,587 XX 9,507 ~ 
 Total XX 212,193 XX 210,033 XX 211,360 XX 217,010 
 
MISSOURI 
Asphalt, native short tons.... 1,522 $13 W W W W W W 
Barite thousand short tons_ 267 3,451 329 $4,219 337 $4,280 332 $4,444 
Cement: 
   Portland thousand 376-pound barrels - 12,378 42,618 13,334 46,034 13,848
46,228 15,044 52,119 
   Masonry thousand 280-pound barrels.. - 834 1,046 377 1,173 382 1,075 372
1,172 
Clays thousand short tons... 1,966 4,874 2,226 5,439 2,329 5,989 2,305 6,220

Coal (bituminous) do__.. 3,254 13,285 3,564 14,779 3,582 14,834 3,696 15,573

Copper (recoverable content of ores, etc.) short tOns.. - 2,059 1,343 2,331
1,650 3,913 2,831 3,215 2,458 
Iron ore (usable) thousand long tons, gross weight - 1,116 14,907 1,784 24,607
1,887 26,450 1,871 26,673 
Lead (recoverable content of ores, etc.) short tons.... 120,148 31,479 133,521
41,659 132,255 39,981 152,649 42,742 
Lime thousand short tons.... 1,219 14,328 1,442 16,782 1,494 17,910 1,434
16,371 
Natural gas million cubic feet - 107 26 84 21   121 80 
Petroleum (crude) thousand 42-gallon barrels.. 65 163 7~ W 97 W 75 W 
Sand nd graveL. _..........thousandshorttons.... 11483 18880 12,088 18,785
10,702 18,540 9 716 12856 
Silver (recoverable content of ores ete) thousaud troy ounces    300  387

Stone..  ...... ........~.... .... .......thousand short tons.... 81,487
47,984 86,247 58,574 85,240 58,898 88585 58953 ~ 
 See footnotes at end of tabls.