Estimating original height of old mountains Welcome to BFSU: › Forums › Volume Two › Learning Progression “D”: EARTH AND SPACE SCIENCE › Lesson D-11A. Uncovering the Earth’s Past › Estimating original height of old mountains This topic has 0 replies, 1 voice, and was last updated 5 years, 5 months ago by Bernard Nebel. Viewing 0 reply threads Author Posts June 17, 2019 at 2:25 pm #7672 Bernard NebelKeymaster See: https://www.cntraveler.com/story/appalachian-mountains-may-have-once-been-as-tall-as-the-himalayas Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.