Add Yahoo as a preferred source to see more of our stories on Google. Using lightweight tools, Eric Gilbertson hikes the world's tallest mountains to measure their heights. Elijah Gendron In the ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo/Eric Gilbertson) The LIDAR Data mapping Colorado’s Park, Custer, and Fremont Counties was published in 2020, and it raised ...

Eric Gilbertson receives funding from The American Alpine Club. In the middle of a chilly October night in 2025, my two friends and I suited up at the Cottonwood Creek trailhead and started a trek ...

(THE CONVERSATION) In the middle of a chilly October night in 2025, my two friends and I suited up at the Cottonwood Creek trailhead and started a trek into the Sangre de Cristo mountains of Colorado.

In the middle of a chilly October night in 2025, my two friends and I suited up at the Cottonwood Creek trailhead and started a trek into the Sangre de Cristo mountains of Colorado. It was a little ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Eric Gilbertson, Seattle University (THE CONVERSATION) In the middle of a chilly ...