Locations of transect origins in Mount Rainier, North Cascades, and Olympic National Parks. Red markers (labeled 'A') indicate annual panel transect origins; blue markers (labeled with panel number) indicate alternating panel transect origins. Once a transect is surveyed the icon color changes to yellow. Click on icon for additional transect origin information. Select "All Years" from the Filter map by year drop down menu to view transect origins for all panels.