![Scientist Isaac Larsen collects sand samples in Southern Alps](http://static.sciencelearn.org.nz/images/images/000/002/914/full/SLH_NEW_56_WearingOutMountains_IsaacLarsen.jpg?1674169080)
Isaac Larsen collects sand samples as part of his research into soil production rates in the Southern Alps. Larsen would often carry 10 kg samples over difficult terrain.
Isaac Larsen collects sand samples as part of his research into soil production rates in the Southern Alps. Larsen would often carry 10 kg samples over difficult terrain.