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Bureau of Mines / Minerals yearbook area reports: domestic 1978-79
Year 1978-79, Volume 2 (1978-1979)

Krempasky, G. T.; Lawson, Don C.
Montana,   pp. 315-327 ff. PDF (1.3 MB)


Page 325

THE MINERAL INDUSTRY OF MONTANA 
325 
Table 8.—Montana: Construction sand and gravel sold or used, by
major
use category 
 1977 1978 1979 
Use Quafltity Value Value Quant,ty Value Value (LusaJd lue Value  tons) sands)
ton  tons) sands) ton  tons) sands)  ton 
Concrete aggregate 1,263 $3,592 $2.84 2,150 $5,856 $2.72 1,657 $4,592 $2.77Plaster
and gunite sands - - NA NA  NA W W   W 9 35 3.84Concrete products 86 -22~
2.60 W W   W 85 256 3.01 
Asphaltic concrete 403 1,172 2.91 656 1,818 2.77 1,073 2,559 2.39 
Roadbase and coverings —  2,380 3,978 1.67 2,711 5,036 1.86 3,358
6,218
1.85 
Fill 527 806 1.53 630 999 1.59 739 1,273 1.72 
Snow and ice control NA NA NA 40 65 1.63 61 116 1.91 
Railroad ballast — — — — —
— 97 204 2.10
15 42 2.80 
Otheruses 17 19 1.08 15 15 1.00 15 15 1.00 
Total' or average — — — 4,675 9,789 2.09 6,391
14,230 2.23
7,012 15,106 2.15 
NA Not available. W Withheld to avoid disclosing company proprietary date;
included in "Total." ' Data may not add to totals shown because
of independent
rounding. 
Table 9.—Montana: Sand and gravel sold or used by producers, by
use
 1977 1978 1979 
Use  Value Value L~5~ V~lue Value (Lu5~l ue Value tons) sands)  ton sands)
ton  sands)  ton 
Construction: 
 Sand 1,134 $2,340 $2.06 2,184 $5,378 $2.46 1,697 $4,371 $2.58 
 Gravel 3,541 7,449 2.10 4,207 8,862 2.10 5,315 10,735 2.02 
   Total or average — — —  4,675 9,789 2.09
6,391 14,230
2.23 7,012 15,106 2.15 
Industrial sand 192 633 3.30 W W W — — — —
—
— Grand total' or aver 
 age 4,867 10,421 2.14 W W W 7,012 15,106 2.15 
W Withheld to avoid disclosing company proprietary data. ' Data may not add
to totals shown because of independent rounding. 
Table 10.—Montana: Crushed stone' sold or used by producers, by
use
(Thousand short tons and thousand dollars) 
 1977 1978 1979 
Use Quantity Value Quantity Value Quantity Value 
Concrete aggregate -- -- 16 40 —- -—Bituminous aggregate
W W
3 7 — - - -Densegraded roadbase stone 109 275 31 68 59 140Surface
treatment
aggregate 118 234 75 144 W 491Other construction aggregate and road- stone
1,025 2,229 741 1,701 184 425Riprap and jetty stone 66 124 107 224 84 195Cement
manufacture 1,124 2,142 W W W WLime manufacture ~651 21,408 312 777 319 833Fluxstone
99 382 128 476 160 563Beddingmaterial -- -- 5 6 -- --Fill ——
—— 3 8 18 62Otheruses' 489 1,129 1,767 4,283 1,703 5,097
Total4 1,680 7,923 3,188 7,733 2,527 7,806 
 W Withheld to avoid disclosing company proprietary data; included with "Other
uses." 
 ' Includes limestone, granite, sandstone, traprock, and miscellaneous stone
(1977-78). 
 2lncludes sugar refining. 
 3lncludes stone used for railroad ballast, filter stone (1978), terrazzo
and exposed aggregate (1978), ferrosilicon (1978-79), sugar refining(1978-79),
and uses indicated by symbol W. 
 Data may not add to totals shown because of independent rounding. 


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