Fig. 4
From: Footprints of past mining in Alaska (USA) derived from high-resolution satellite imagery
One of 24 instances of overlap between mine footprints in the global datasets of Maus et al.3, Tang & Werner1, and the dataset described in this study17. (a) Detail view of the mine footprints delineated in reference3 and reference1. (b) Overview of the site depicting the full extent of waste and disturbed ground footprints delineated in this study17. White dashed box marks the ___location of panel a. White dot marks the ___location of the ARDF record19.
