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Layer Controls (top to bottom)

Diff Layer
OSM Layer (Gray)
County Layer (Purple)

Diff Filters

Selection Mode

Tip: Enable multi-select or hold Shift to select multiple features by clicking or dragging a box. On touch screens, turn on multi-select (the grid button on the map), then drag a finger to draw a box or tap features to add or remove them; use two fingers to pan and zoom.

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