Category:Rock formations in Illinois by type of rock

States of the United States: Alabama · Alaska · Arizona · Arkansas · California · Colorado · Florida · Georgia · Hawaii · Idaho · Illinois · Indiana · Iowa · Kansas · Kentucky · Louisiana · Maine · Maryland · Massachusetts · Michigan · Minnesota · Missouri · Montana · Nebraska · Nevada · New Hampshire · New Jersey · New Mexico · New York · North Carolina · North Dakota · Ohio · Oklahoma · Oregon · Pennsylvania · South Carolina · South Dakota · Tennessee · Texas · Utah · Vermont · Virginia · Washington · West Virginia · Wisconsin · Wyoming

This meta category should only contain other categories. Files should either be in the relevant subcategory or in the parent category.

Subcategories

This category has the following 4 subcategories, out of 4 total.

D

Dolomite formations in Illinois‎ (3 C)

S

Sandstone formations in Illinois‎ (9 C, 1 F)
Shale formations in Illinois‎ (14 C, 2 F)
Siltstone formations in Illinois‎ (1 C)

Retrieved from "https://commons.wikimedia.org/w/index.php?title=Category:Rock_formations_in_Illinois_by_type_of_rock&oldid=558125227"