May 2026: All Contiguous US Peaks 10,000ft and above excluding Apache Tribal land have been updated with meticulous visual analysis of LiDAR laz tiles, far more precise and accurate than derived bare-earth LiDAR DEM results.

Apr 2025: New steepness measures leveraging LiDAR completed for CO and WY.

May 2022: Much of Colorado updated with LiDAR data, work continues for other states

Jan 2021: US Wilderness Study Area Summits and Highpoints added.