Mine detail: Quarry

Previously called ''

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Location

Lat / long: 42.7389, -91.38431

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

MRDSW044558
DEP10082050
ReferenceF1 < 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
ReporterMiller, M.