This dataset provides USFS Aquatic Organism Passage (AOP) survey data. It shows stream passage locations, passage measurements, and passability assessment categories from AOP...

This dataset displays miles of habitat improved upstream from an Aquatic Organism Passage (AOP) structure that was improved by an on the ground activity. Data includes the...

This dataset provides USFS watershed improvement activities to barriers to upstream migration. This includes improving existing passage structures or removing them entirely....