Mine detail: Roadcut

Previously called ''

<< Back to the map

Location

Lat / long:

42.94861, -91.39265

Resource(N)

Primary:

Phosphorus-Phosphates

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Maquoketa Shale
Host type:	Phosphorite

References

MRDS	W044555
DEP	10082048
Reference	F1 < BROWN, C. E., 1974, PHOSPHATIC ZONE IN THE LOWER PART OF THE MAQUOKETA SHALE IN NORTHEAST IOWA: U.S. GEOLOGICAL SURVEY JOURNAL OF RESEARCH, V. 2, NO. 2, P. 219-232
Reporter	Miller, M.