Size: 4 acres Ownership: Owned by Ray E. and Nancy E. Drews with a conservation easement held by NPAT. The Drews family conserved the family hay meadow for several generations, and Ray E. and Nancy E. Drews protected their prairie permanently for future generation via a conservation easement with NPAT. Drews Prairie is a tallgrass prairie remnant of the Blackland Prairie. Texas' Blackland Prairie is part of the endangered tallgrass prairies of North America, of which less than 1% remains due to conversion to agriculture and development. Little Bluestem (Schizachyrium scoparium), Big Bluestem (Andropogon gerardii), and Indiangrass (Sorghastrum nutans) are dominant grasses.