There may be no more potent reminder of California's humongous snowfall than the plows still clearing roads that snake across the state's highest mountains as summer approaches.
Crews have been digging, blowing and blasting for months — and the work is not finished, though an approaching heat wave could speed up the process.
"We're almost at the middle of June and we still have lots of passes that aren't open," said Florene Trainor, a spokeswoman for the California Department of Transportation.
Few roads traverse the Sierra Nevada, the rocky spine running 400 miles up the state that is home to Yosemite National Park. Mountain passes are typically open by...