U.S. Census Bureau
2002 Economic Census main page

2002 Economic Census
Mining
Maryland     open pdf map in new window

You are here: 2002 Economic Census -> Maryland -> Mining

 

Mining - by industry

National data for this sector, based on Industry Series reports, are preliminary and will be superseded by data released in later reports. Table includes only establishments of firms with payroll. Nonemployers are shown separately. Introductory text includes scope, methodology, non-sampling error, and confidentiality protection. For descriptions of column headings and rows (industries), click on the appropriate underlined element in the table.

D = Withheld to avoid disclosing data of individual companies; data are included in higher level totals

NAICS
code		 Description Estab-
lish-
ments		 Value of
Shipments
($1,000)		 Annual
payroll
($1,000)		 Paid
employees
21 Mining 90 417,336 74,564 1,804
211 Oil and gas extraction 4 D D (1-19)
2111 Oil and gas extraction 4 D D (1-19)
21111 Oil and gas extraction 4 D D (1-19)
211111 Crude petroleum and natural gas extraction 4 D D (1-19)
212 Mining, except oil and gas 77 404,184 70,817 1,687
2121 Coal mining 15 111,416 20,488 401
21211 Coal mining 15 111,416 20,488 401
212111 Bituminous coal and lignite surface mining 12 D D (100-249)
212112 Bituminous coal underground mining 3 D D (250-499)
2122 Metal ore mining 1 0 D (1-19)
21222 Gold ore and silver ore mining 1 0 D (1-19)
212221 Gold ore mining 1 0 D (1-19)
2123 Nonmetallic mineral mining and quarrying 61 292,768 D (1000-2499)
21231 Stone mining and quarrying 24 183,984 29,143 731
212311 Dimension stone mining and quarrying 3 D D (20-99)
212312 Crushed and broken limestone mining 13 122,677 18,799 491
212313 Crushed and broken granite mining 5 53,859 8,010 176
212319 Other crushed and broken stone mining 3 D D (20-99)
21232 Sand, gravel, clay, and refractory mining 35 D D (500-999)
212321 Construction sand and gravel mining 31 85,086 16,874 448
212322 Industrial sand mining 3 D D (20-99)
212325 Clay, ceramic, and refractory minerals mining 1 D D (20-99)
21239 Other nonmetallic mineral mining 2 D D (1-19)
212399 All other nonmetallic mineral mining 2 D D (1-19)
213 Support activities for mining 9 D D (20-99)
2131 Support activities for mining 9 D D (20-99)
21311 Support activities for mining 9 D D (20-99)
213113 Support activities for coal mining 5 D D (20-99)
213114 Support activities for metal mining 2 D D (1-19)
213115 Support activities for nonmetallic minerals 2 D D (20-99)

Top: subsector tableAll-sector table open pdf map in new window Map in PDF
(new window) 		Link to AFF Data in formats for downloading List of Industry Series PDFs 1997 data1997 Economic Census

Source: 2002 Economic Census, Geographic Area Series   Questions?
Last revised: November 01, 2005