General information about playa ecosystems; improved monitoring of playa inundation via satellite imagery; a tour of playa restoration achieved through the Texas Playa Conservation Initiative (TXPCI); and a tour of The Tap, an Ogallala Aquifer exhibit at At’ll Do Farms in Shallowater are highlights of a Playa Field Day to be presented by Ogallala Commons (www.ogallalacommons.org) on Wednesday, Sep…