410 
MINERALS YEARBOOK, 1967 
 
 
Table 2.—Value of mineral production in Michigan, by counties 1—Continued

(Thousand dollars) 
County 
1966 
1967 
Minerals produced in 1967 in order of value 
St. Clair  
. 
 
St. Joseph                  
Sanilac                     
Schoolcraft                  
Shiawassee                  
Tuscola                    
Van Buren                  
Washtenaw                 
Wayne                     
 
Wexford                   Undistributed               
 
Total 6  
$16,498 
 
 262 
 912 
 W 
 672 
2,152 
 314 
1,279 
50,556 
 
 147 
194,502 
2 $14,679 
 
279 
1,146 
W 
632 
1,996 
375 
2 1,974 
255,288 
 
284 
208,162 
Salt, cement, petroleum, peat, clays, sand and gravel, natural gas. 
Sand and gravel, peat, stone. 
Peat, sand and gravel, lime. 
Stone, sand and gravel. 
Sand and gravel, clays, peat, petroleum. 
Sand and gravel, petroleum, lime, peat. 
Sand and gravel, petroleum. 
Sand and gravel, petroleum, natural gas. 
Cement, lime, salt, sand and gravel, salines, stone, clays, petroleum, natural
gas. 
Sand and gravel, natural gas. 
 
602,127 
610,204 
 
W Withheld to avoid disclosing individual company confidential data; included
with "Undistributed." 
 2 Values for natural gas and natural gas liquids are not available on a
county basis, but are included with "Undistributed." 
 2 Excludes value of natural gas. 
 2 Includes value of mineral production in Keweenaw County. 
 Value of mineral production is included in that of Houghton County. 
 Includes values for natural gas, natural gas liquids, gem stones, some sand
and gravel that cannot be assigned to specific counties, and values indicated
by symbol W. 
 Data may not add to totals shown because of independent rounding. 
 
Table 3.—Indicators of Michigan business activity 
 
1966 
1967 
Percent 
 
 
 
change 
Personal income: 
 
 
 
 Total millions.... 
 Per capita                                         Construction activity:

 Building permits: 
Valuation of authorized residential and nonresidential 
$27,685 
$3,269 
P $29,125 "$3,393 
+5.2 
+3.8 
 private construction millions... 
Number of private and public residential building permits issued        
                               
$1,089.6 
 
40,000 
$1,248.3 
 
46,342 
+14.6 
 
+15.9 
 Contract construction work performed: 
    Total millions..    Nonresidential building do......    Residential building
do......    Nonbuilding do...... Stale highway department:    Contracts awarded
do_..    Contract work performed do...... 
 Portland cement shipments to and within Michigan 
 thousand 376—pound barrels -Cashreceipts from farm marketings millions....Mineralproduction
do......Rawsteel production thousand tons...._Manufacturing payrolls millions....

Annual average labor force and employment: 1 
 Total labor force thousands~ Agricultural employment do.._ Nonagricultural
employment2 do...... 
 Manufacturing do...... Motorvehiclesandequipment do~.... Construction do~..

$2,098 
 $930 
 $835 
 $333 
 
 $131.7 
 $149.3 
 
16,900.1 
 $886.4 
 $602.1 
10,004.0 
$4,682.1 
 
3,305.6 
 71.7 
3,111.9 
1,139.5 
 374.9 
 111.7 
$2,215 
 $947 
 $929 
 $339 
 
 $112.3 
 $125.0 
 
16,386.4 
 $882.1 
 $610.2 
9,247.9 
$4,590.6 
 
3,382.5 
 67.5 
3,141.3 
1,104.6 
 352.7 
 116.7 
+5.6 
+1.8 
+11.3 
+1.8 
 
—14.7 
—16.3 
 
—3.0 
 — .5 
+1.3 
—7.6 
—2.0 
 
+2.3 
—5.9 
 +.9 
—3.1 
—5.9 
+4.5 
Mining do...._Primary metal products ~Stone, clay, andglassproducts do_....Transportation
do~. 
13.5 
99.7 
21.2 
76.9 
12.6 
93.0 
18.9 
75.1 
—6.7 
—6.7 
—10.9 
—2.3 
 P Preliminary. 
 1 Adjusted to March 1967 benchmark levels. 
 2lncludes nonagricultural, self-employed, and unpaid family workers, and
domestic workers in private households. 
 
 Sources: Survey of Current Business, Construction Review, Statistical Abstract
of the United States, State of Michigan Department of Highways, Farm Income
Situation, American Iron & Steel Institute, and Michigan Employment Security
Division in cooperation with the United States Department of Labor.