Centre__________ 
Chester          
Clarion 
Clearfield 
Clinton 
Columbia         
Crawford 
Cumberland_ 
Dauphin         
Delaware         
Elk 
Erie____________ 
Fayette 
Forest__________ 
Franklin         
Fulton 
Greene__________ 
Huntingdon 
Indiana 
Jefferson________ 
Lackawanna      
Lancaster         
Lawrence         
Lebanon         
Lime, stone, coal, sand and gravel, clays. 
Stone, lime, clays. 
Coal, stone, sand and gravel, clays. 
Coal, clays. 
Coal, stone, clays. 
Coal, sand and gravel, lime, stone. 
Sand and gravel. 
Stone, sand and gravel, clays. 
Stone, coal, clays, sand and gravel. 
Stone. 
Coal, stone. 
Sand and gravel, peat. 
Coal, stone, clays. 
Sand and gravel. 
Stone, sand and gravel. Do. 
Coal, clays. 
Sand and gravel, stone, coal, clays. 
Coal, clays. 
Coal, clays, stone, sand and gravel. 
Coal, sand and gravel, peat. 
Stone, coal, clays, sand and gravel. 
Cement, stone, coal, clays, sand and gravel, peat. 
Iron ore, copper, lime, stone, cobalt, pyrites, gold, silver. 
Cement, zinc, stone. 
Coal, stone, sand and gravel, peat, clays. 
Stone, sand and gravel, coal, tripoli. 
Clays, stone, sand and gravel. 
Coal, sand and gravel, stone. 
Sand and gravel, stone, lime. 
Stone, sand and gravel, clays. 
Stone, cement, lime, clays. 
Stone. 
Cement, stone, sand and graveL 
Coal, clays, stone, lime. 
Stone. 
Sand and gravel. 
Stone. 
Coal, stone, sand and gravel, clays. 
Stone, sand and gravel, coal. 
Coal, stone, clays, sand and gravel. 
Coal. 
Stone, coal. 
Coal, sand and gravel. 
Stone. 
Coal, sand and gravel. 
Sand and gravel. 
Coal, stone, clays. 
Sand and gravel, stone, peat. 
Coal, stone, sand and gravel, lime. 
Sand and gravel, stone. 
Cement, stone, lime, clays, sand and gravel, mica. 
 THE MINERAL INDUSTRY OF PENNSYLVANIA 677 
 
 
Table 2.—Value of mineral production in Pennsylvania by counties 1—Continued

 
County 1966 1967 Minerals produced in 1967 in order of value 2 
 
 $16,396,017 $18,825,018 
 5,036,388 4,007,661 
 13,745,918 12,878,323 
 29,232,088 29,630,420 
 2,942,513 4,064,316 
 3,850,214 4,008,596 
 429,000 395,000 
 W W 
 3,611,118 3,099,161 
 W W 
 W W 
 W W 
 8,993,792 7,083,462 
 310,000 W 
 1,636,365 1,606,688 
 W W 
 W W 
 W W 
 W W 
 W W 
 W W 
 8,245,104 8,023,487 
 W W 
 21,571,924 22,016,797 
Lehigh 29,017,306 30,183,003 
Luzerne 40,677,402 38,990,146 
Lycoming W W 
McKean 407,675 302,186 
Mercer 2,476,343 1,929,694 
Mifihin W W 
Monroe 771,072 696,602 
Montgomery W W 
Montour W W 
Northampton 57,326,162 59,169,193 
Northumberland -  W W 
Perry W W 
Philadelphia W W 
Potter W 124,861 
Schuylkill 37,123,723 36,016,832 
Snyder 477,304 431,156 
Somerset 19,403,385 18,208,936 
Sullivan 114,975 184,092 
Susquehanna 492,787 W 
Tioga 2,504,665 3,113,296 
Union W W 
Venanago 2,359,860 W 
Warren 644,000 930,000 
Washington W W 
Wayne W W 
Westmoreiand W W 
Wyoming 720,319 W 
York 4 8,924,263 9,471,890 
Undistributed 6 - - - r 504,174,000 507,546,640 
 Total 903,408,000 ~898,398,000 
 
 Revised. 
W Withheld to avoid disclosing individual company confidential data; included
with "Undistributed." 
1 Cameron, Juniata, and Pike Counties are not listed because no production
was reported. 
 2 Excludes value of natural gas, natural gasoline, LP gases, petroleum,
and gem stones unspecified by counties; inc!uded with "Undistributed." 
 Excludes cement; included with "Undistributed." 
 4 Excludes cement and lime; included with "Undistributed." 
 Excludes lime; included with "Undistributed." 
* Includes values indicated by symbol W. 
 Data do not add to total due to rounding. 
 
 
though collectively they accounted for 57 silver also showed total value
increases percent of the total State mineral value above those of 1966. Production
of zinc in 1967. Stone production continued to increased considerably but
the unit value rise with a value increase of $3.9 million fell slightly.
Output of clays, natural gas, above that of 1966. Copper showed a sub- natural
gas liquids, peat, cobalt, iron ore, stantial increase in both quantity and
mita, sericite-schist, and tripoli decreased value. Cement, crude petroleum,
sand and from that of 1966. 
gravel, lime, kaolin clay, gold, pyrites, and