A Concise Geologic Time Scale: 2016
from $42.71
Rhythms in upper Pennsylvanian cyclothems: Thickness of glacial drift in DuPage county, Illinois / by A.C. Mason (Circular / Illinois State Geological Survey)
from $40.03
Spores in strata of late Pennsylvanian cyclothems in the Illinois Basin (Illinois. State Geological Survey. Bulletin)
from $26.45
Spores in strata of late Pennsylvanian cyclothems in the Illinois Basin / R.A. Peppers. Volume Illinois State Geological Survey Bulletin No. 90 1964 [Leather Bound]
from $53.91
ORIGIN OF PHOSPHATIC BLACK SHALE FACIES IN PENNSYLVANIAN CYCLOTHEMS OF MID-CONTINENT NORTH AMERICA
from $11.90
Rhythms in Upper Pennsylvanian Cyclothems, And, Thickness of Glacial Drift in Du Page County, Illinois (Classic Reprint)
from $22.72
New Insights Into Carboniferous Cyclothems, The Fourth Biennial Field Conference of the AAPG Mid-Continent Section
from $15.00
Spores in strata of late Pennsylvanian cyclothems in the Illinois Basin / R.A. Peppers. Volume no.90-92 1964-1968 1964 [Leather Bound]
from $74.67
Cyclothem
from $0.99
from $1.29
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