I’m guessing a volcano. Hopefully this is right.
This province has several subprovinces, including the active and sometimes deadly volcanoes of the Cascade Range and the young, steep mountains of the Sierra Nevada. The rocks that form the backbone of the Sierra Nevada are mostly granitic rocks that formed during the Mesozoic Era, when dinosaurs roamed the Earth.
Natural resources made people be able to live their life and it all had to do with their geography