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Preliminary map ofdiatremes and alkalic ultramafic intrusions in the Missouri River Breaks and vicinity, north-central Montana
Document Type
Map
Document Topic
Data
Spatial Extent
Middle
Keywords
diatremes
geology
map
ultramafic intrusions
Authors
Hearn, Bernard Carter
Date
01/01/1979
Agency/Company
USGS
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Related categories
Document Topic
:
Data
Document Type
:
Map
Document Keywords
:
diatremes
Document Keywords
:
geology
Document Keywords
:
map
Document Keywords
:
ultramafic intrusions
Spatial Extent
:
Middle
Agency/Company
:
USGS
Authors
:
Hearn, Bernard Carter
