Adair                  
W 
W 
Stone. 
Adams                 
W 
W 
Do. 
Allamakee              
Appanoose              
Audubon               
Benton                 
Black Hawk             
Boone                 
Bremer                 
Buchanan               
W 
$651 
152 
W 
1,702 
W 
W 
347 
W 
$663 
147 
W 
1,520 W 
W 
277 
Stone, sand and gravel. 
Stone, clays, coal, sand and gravel. 
Sand and gravel. 
Sand and gravel, stone, clays. 
Stone, sand and gravel. 
Sand and gravel, clays. 
Stone, sand and gravel. 
Stone. 
Buena Vista             
Butler                 
Calhoun_               
Carroli                 
308 
426 
32 
201 
217 
429 
42 
184 
Sand and gravel. 
Stone, sand and gravel. 
Sand and gravel. Do. 
Cass                   
W 
W 
Stone. 
Cedar                  
Cerro Gordo             
Cherokee               
Chickasaw              
Clarke                 
W 
26,201 
324 
132 
W 
W 
25,631 
383 
W 
W 
Do. 
Cement, stone, clays, sand and gravel, lime. 
Sand and gravel. 
Stone, sand and gravel. 
Stone. 
Clay                   
Clayton                
Clinton                 
135 
723 W 
198 
689 W 
Sand and gravel. Stone, sand and gravel. 
Do. 
Crawford               
W 
195 
Sand and gravel. 
Dallas                 
Decatur                
Delaware               
Des Moines              
Dickinson               
1,770 
680 
327 
2,135 
166 
650 
647 
300 
2,185 
W 
Sand and gravel, clays, stone. 
Stone. 
Stone, sand and gravel. 
Stone, gypsum, sand and gravel. 
Sand and gravel. 
Dubuque               
Emmet                 
Fayette                
Floyd                  
Franklin                
Fremont                
Greene                 
Grundy                
Guthrie                
683 
269 
717 
364 
317 
2 
W 
135 
W 
802 
331 
642 
338 W 
W 
227 W 
78 
Stone, sand and gravel. 
Sand and gravel. 
Stone, sand and gravel. 
Stone, sand and gravel, clays. 
Sand and gravel, stone, clays. 
Stone. 
Sand and gravel. 
Stone, sand and gravel. 
Sand and gravel. 
Hamilton               
Hancock                
Hardin                 
Harrison                
Henry                  
Howard                
Humboldt               
Ida                    
Iowa                  
Jackson                
Jasper                 
Jefferson                
Johnson                
Jones                  
Keokuk                
Kossuth                
Lee                   
Linn                   
Louisa                 
Lucas                  
Lyon                  
Madison                
Mahaska               
Marion                 
Marshall               
Mills                  
Mitchell ,Monona               Monroe               Montgomery          
 Muscatine             O'Brien               Osceola                Page
                Palo Alto              Plymouth              Pocabontas 
           Polk                   
W 
407 
1,482 
1,292 
W 
219 
1,311 
20 
W 
406 
W 
W 
1,457 
539 
W 
365 
W 
2,754 
W 
347 
224 
3,615 
1,601 
2,741 
W 
W 
W 
W 
552 
W 
1,111 
132 
251 
W 
W 
574 
W 
17,264 
369 
399 
1,638 
1,012 
W 
311 
1,130 
W 
W 
330 
W 
W 
1,326 
547 
W 
328 
W 
2,523 
W 
362 
W 
3,367 
1,518 
1,871 W 
W 
429 
W 
650 
W 
978 
115 
128 
W 
132 
W 
W 
17,302 
Stone, sand and gravel. 
Do. 
Do. 
Do. 
Do. 
Do. 
Do. 
Sandandgravei. 
Do. 
Stone, sand and gravel. 
Sand and gravel, stone. 
Stone, sand and gravel. Do. 
Do. 
Stone, clays. 
Sand and gravel. 
Stone, sand and gravel. Do. 
Do. 
Coal. 
Sand and gravel. 
Stone, clays. 
Coal, stone, sand and gravel, clays. 
Coal, stone, sand and gravel. 
Stone, sand and gravel. Do. 
Do. 
Sand and gravel. 
Coal. 
Stone. 
Sand and gravel, stone. 
Sand arid gravel. Do. 
Stone, sand and gravel. 
Sand and gravel. 
Do. 
Stone. 
Cement, sand and gravel, clays. 
See footnotes at end of table.314 
MINERALS YEARBOOK, 1967 
 
 
Table 2.—Value of mineral production in Iowa, by counties 1 
(Thousand dollars) 
 
County 1966 1967 Minerals produced in 1967 in order of value