Mountain Loop Hwy, WA: add operator tags to Lake Twentytwo trail segments

Mountain Loop Hwy, WA: add operator tags to Heather Lake Trail segments and trailhead features

Middle Fork Snoqualmie River, WA: correct access tags and add informal=yes to Little Myrtle Lake Trail

Middle Fork Snoqualmie River, WA: add operator tag to Granite Creek Trail segments

Middle Fork Snoqualmie River, WA: add operator tag to Mailbox Peak Old Trail segments (previously only on route relation)

Middle Fork Snoqualmie River, WA: add operator tag to Mailbox Peak trailhead features

Middle Fork Snoqualmie River, WA: add operator tag to Mailbox Peak trail segments (previously only on route relation)

Middle Fork Snoqualmie River, WA: add details to bridges on Mailbox Peak Trail

Middle Fork Snoqualmie River, WA: add missing surface value to Mailbox-Dirtybox trail (informal)

Snoqualmie Pass, WA: add operator to Source Lake Trail

North Bend, WA: fix overlapping/duplicate building and picnic shelter

Harpers Ferry, WV: square a building

Skykomish, WA: map West Fork Foss Lakes Trailhead

Mountain Loop Hwy, WA: map North Fork Sauk Trailhead as a highway=trailhead

Mountain Loop Hwy, WA: map Bald Eagle Trailhead

Glacier Peak Wilderness, WA: remove highway=trailhead from information board at Phelps Creek Trailhead (there's already a separate highway=trailhead node for the same feature)

Glacier Peak Wilderness, WA: add name, operator and website to White River Trailhead

Chiwawa River, WA: map Estes Butte Trailhead and Rock Creek Trailhead

Glacier Peak Wilderness, WA: add name, operator and website to Little Giant Trailhead

Glacier Peak Wilderness, WA: add name and website to Phelps Creek Trailhead highway=trailhead node and remove them from adjacent parking area