By what time period were catamount populations severely diminished or declared locally extinct in many Eastern states?

Answer

The late 19th and early 20th centuries

In many Eastern states, the population of these large cats was severely diminished, or declared locally extinct, by the late 19th and early 20th centuries due to aggressive hunting and habitat loss.

By what time period were catamount populations severely diminished or declared locally extinct in many Eastern states?
animalmammalfelidwildcatcatamount