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Bureau of Mines / Minerals yearbook 1990
Year 1990, Volume 2 (1990)

Prosser, L. J., Jr.
Maryland,   pp. [240]-245 PDF (728.1 KB)


Page 243

TABLE 2 
MARYLAND: CONSTRUCTION SAND AND GRAVEL SOLD OR USED IN 1990, BY MAJOR USE
CATEGORY 
Use 
Value 
(thousands) 
$53,559 
1,031 
228 
5,939 
Value per ton 
$5.86 
4.48 
3.74 
5.24 
Concrete aggregates (including concrete sand) 
61 
1,134 
Plaster and gunite sands 
Concrete products (blocks, bricks, pipe, decorative, etc.) 
Asphaltic concrete aggregates and other bituminous 
mixtures 
1 .638 
700 
W 
477 
4,887 
18,271 
5,187 
1,495 
W 
2,398 
34,186 
104,023 
3.17 
2.14 
5.95 
5.03 
7.00 
5.69 
Road base and coverings 
Fill 
Snow and ice control 
Other' 
Unspecified:2 
Actual 
Total or average w Withheld to avoid disclosing company proprietary data;
included with ~OLher.' ' includes filtration. 
2lncludes production reported without a breakdown by end use and estimates
for nonrespondents. 
TABLE 3 
MARYLAND SAND & GRAVEL SOLD OR USED BY PRODUCERS IN 1990, BY DISTRICT
AND USE 
(Thousand short tons and thousand dollars) 
Use 
District 
Quantit 
1 
Value 
District 
Quantity 
2 
Value 
District 
Quantity 
3 
Value 
y 
Concrete aggregates (including 
W 
W 
6,179 
37,69 
W 
W 
concrete sand) 
— 
— 
— 
— 
W 
— 
8 
W 
— 
W 61 
W 
228 
Plaster and gunite sands 
Concrete products (blocks, bricks, etc.) 
Asphaltic concrete aggregates and 
other bituminous mixtures 
— 
W 
— 
— 
38 
— W 
— 
— 330 
1,1 1 1 
1,408 
351 
W 
144 
5,861 
3,878 
901 
W 
383 
24 
W 
349 
W 
3,72 
78 
W 
594 
W 
19,88 
Road base and coverings 
Fill 
Snow and ice control 
Other miscellaneous' 
— 
— 
4887 
34,18 
0 
— 
6 
— 
Unspecified :2 
Actual 
i~ 
' 14,07 
9 
6 
~ 
7 
-~:i~~ 
4 
20,78 
6 
Total 
w WiLh1~1d to avoid disclosing company proprietary data; included with ~Otl~r
misceUaceous.~ 
' Includes filtration. 
2~l~ production reported without a breakdown by cud use aral estimates for
nonrespondents. 
' Data do not add to total shown because of hxlepc,xicnt rounding. 
MARYLAND— 1990  24320 % of the company. Cox Creek manufactured
copper
cathode and wire rod at a facility in Baltimore. In 1989, the firm produced
60,000 metric tons of 
 copper cathode and 30,000 tons of wire Quantity 
 rod.5  (thousand 
   short tons) 
  _______________________________________________ $9,144 
   230 
 Iron and SteeL—Bethlehem Steel Corp. operated an integrated steel
plant at a 3,500-acre complex in Sparrows Point. During 1990, the company
completed relining of a large blast furnace and continued modernization ofa
68-inch, hot strip mill. As a result of capital expenditures of more than
$ 1 . 1 billion in the past 10 years, the Sparrows Point plant has one of
the largest blast furnaces in the Western Hemisphere and a slab caster with
an annual capacity approaching 3.6 million tons.6 
1State Mineral Officer, U.S. Bureau of Mines, 
Pittsburgh, PA. He has 17 years of mineral-related industry and government
experience and has covered the mineral activities in Maryland for 6 years.
Assistance in the preparation of the chapter was given by Sally J. 
Stephenson, editorial assistant. 
' Maryland Port Administration. Foreign Commerce 
Statistical Report 1990. July 1991 , p. 279. 
' Weekly Coal Production, State Coal Profile: 
Maryland. DOE/EIA-0218(90-38), Sept. 15, 1990, pp.3- 
4Work cited in footnote 2. 
' American Metal Market. Mitsubishi To Acquire 
Majority Share of Cox Creek. V. 98, No. 142, July 23, 
1990, p. 8. 
6Bethlehem Steel Corp. 1990 Annual Report, p. 3. 


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