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Divisions of geologic time—Major chronostratigraphic and geochronologic units

August 28, 2026
Publication Year 2026
Title Divisions of geologic time—Major chronostratigraphic and geochronologic units
DOI 10.3133/fs20263023
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Fact Sheet
Series Number 2026-3023
Index ID fs20263023
Record Source USGS Publications Warehouse
USGS Organization Florence Bascom Geoscience Center
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