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#DYK that the USGS has a geodatabase for the geology of @JoshuaTreeNPS https://t.co/ATRSyPHmMA https://t.co/VH2YP8sUkK
#DYK that the USGS has a geodatabase for the geology of @JoshuaTreeNPS https://t.co/ATRSyPHmMA https://t.co/VH2YP8sUkK