Mystery of How Rocks Move Across Death Valley Lake Bed Solved

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Louis Sahagun, Mystery of How Rocks Move Across Death Valley Lake Bed Solved. Los Angeles Times, Aug 27, 2014.
www.latimes.com/local/lanow/la-m ... 20140827-story.html

Note:
(a) Read the first several paragraphs and view the graphic.
(b) The observation leads to a scientific publication.

Richard D Norris,  James M Norris,Ralph D Lorenz, Jib Ray, and Brian Jackson. Sliding Rocks on Racetrack Playa, Death Valley National Park: First Observation of Rocks in Motion. PLOS OONE, Aug 27m 2014.
www.plosone.org/article/info%3Ad ... ournal.pone.0105948
(c) Racetrack Playa
en.wikipedia.org/wiki/Racetrack_Playa
(3608 feet (1130 m) above sea level,)
(d) Spanish English dictionary

playa , from Spanish noun feminine playa "beach" ultimately from Latin noun feminine plaga "tract, region, quarter, zone"):
"(geology, US) a level spot temporarily covered with water which subsequently becomes dry by evaporation"
en.wiktionary.org/wiki/playa

Take notice the English and Spanish pronunciations for "playa" are different--much in the say way the English and Spanish pronunciations for "Maya," the empire in Central America.