As a terranal name Lake Valley is applied to a remarkable blue limestone occurring at the famous silver mining camp of the same title, situated in Sierra County, New Mexico. The formation is noteworthy for the reason that it carries the typical Lower Burlington fauna of Iowa. On this account it is of special interest to Iowa geologists.
Proceedings of the Iowa Academy of Science
©1904 Iowa Academy of Science, Inc.
Keyes, Charles R.
"Northward Extension of the Lake Valley Limestone,"
Proceedings of the Iowa Academy of Science, 12(1), 169-171.
Available at: https://scholarworks.uni.edu/pias/vol12/iss1/29