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OCGS Society History at 100 Years
OCGS turned 100 in 2021!
Click here to read about the Society's history
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AAPG MCS 2023
Upcoming Events
Fri May 9, 2025
OCGS Night at the Ballpark
Category: Events
Mon May 19, 2025
OCGS Annual Golf Tournament
Category: Events
Wed May 21, 2025
OCGS May Luncheon
Category: Events
Tue Oct 7, 2025
AAPG Midcontinent Sectional 2025
Category: Events
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