ⓘ Glen Dean Formation. Duplicates Glen Dean Limestone; merger required? The Glen Dean Formation is a geologic formation in Illinois. It preserves fossils dating b ..

                                     

ⓘ Glen Dean Formation

Duplicates Glen Dean Limestone; merger required?

The Glen Dean Formation is a geologic formation in Illinois. It preserves fossils dating back to the Carboniferous period.

Free and no ads
no need to download or install

Pino - logical board game which is based on tactics and strategy. In general this is a remix of chess, checkers and corners. The game develops imagination, concentration, teaches how to solve tasks, plan their own actions and of course to think logically. It does not matter how much pieces you have, the main thing is how they are placement!

online intellectual game →