There's a lot of great history in just a tiny sliver of scenic Alpine County. That's the take-away from "Historic Alpine: A Self-Guided Driving Tour of Woodfords, Diamond Valley and Fredericksburg" - a new book just released by local historian/author Karen Dustman."Many of Alpine County's historic sites have been nearly forgotten, but can still be easily spotted when you know where to look," said Dustman. "Within an hour's drive there are over three dozen historic sites you can visit, from a piece of the Emigrant Trail to the old stone schoolhouse at Woodfords, several original old ranches, and the Fredericksburg …