A detailed map for the outdoors lovers uses a laser-based terrain mapping technology called lidar (light detection and ranging) as the basis for three-dimensional map images of the Three Sisters.

Millions of dollars in improvements to infrastructure have been made in Salem and the surrounding area in response to the 1996 flood and the 2012 Mill Creek flood: 1. Willow Lake Water Pollution ...

SALEM, Ore. (KATU) — Oregon has finalized its statewide maps of wildfire hazard zones and the wildland-urban interface, with the final versions now accessible on the Oregon Explorer website.

PORTLAND, Ore. -- A new landslide susceptibility map of Oregon helps identify areas that may be at risk for future landslides. State geologists say the map will help Oregonians better understand ...