20211230 upload of PDXWalk. Added breadcrumbs option, now including multi-string-lines and cycleways, from profiles files. Display elevation for line segments, use color toggle to put either lines or multi-string-lines on top layer.
Updated tiled maps, Series 2022. Covers U.S. lower 48. Added Foothills Trail map. (Fixed bug for Android 12 device.) (Fixed listing of files not yet fully downloaded.)