check out the contours of the Grand Canyon or study the urbanization of the San Francisco Bay Area (see below). Hunting for historical topo maps on the USGS site used to be confusing and annoying.

The hike to History Rock begins 8.8 miles up Hyalite Canyon Road at the History Rock trailhead. The recently improved parking area provides plenty of space for visitors. A map at the trailhead ...

She says, come wintertime, they head to Hyalite. "We do a lot of winter recreation in Hyalite Canyon and we appreciate having roads plowed and access to trails," explains Steinmiller. She's not ...

A man fell while hiking in a Montana canyon and had to hunker down in the cold overnight with a dead phone, rescuers said. He set out for a hike at about 9 a.m. May 10 in the area of Hyalite Canyon, ...