8 WISCONSIN STATE AGRICULTURAL SOCIETY . 
A ppendix— Geological Survey— continued. 
Ironton—Sauk County. 474 
Facts never surrender to Theories or Authority. 475 475 ' 
Limits of Lead and Zinc District. 477 
Fine Farming Lands. 478 
Great Inducements to Capital and Labor. 478 
Kaolin, or Porcelain Clay. 480 481 
Magnetic Separators. 483 
Important Enterprise. 484 
Bog Iron Ore. 487 489 
Indications of Rich Deposits.,.491 
Iron Ridge—Dodge County.„. 494 
Patrons op Husbandry . 495 
