The Sounds of East Los Angeles, an excavation of the underappreciated genre that gave us Ritchie Valens.
He, not Hylton, the author of Vanished, is the one who has done most of the research on the pilots and their excavation process.
I was writing an article for Outside, whose expense money helped finance the excavation.
excavation ex·ca·va·tion (ěk'skə-vā'shən)
A natural cavity, pouch, or recess.
A cavity formed artificially or as the result of a pathological process.