In the Hawaiian islands, volcanic rocks provide a source of water while in the Texas Panhandle, the Ogallala sandstone provides millions of gallons a year for farming irrigation.
(volcanic rocks; provide; a source of water while in the Texas Panhandle, the Ogallala sandstone provides millions of gallons a year for farming irrigation; L:In the Hawaiian islands) (the Ogallala sandstone; provides; millions of gallons a year)
volcanic rocks the Ogallala sandstone
provide provides
a source of water while in the Texas Panhandle, the Ogallala sandstone provides millions of gallons a year for farming irrigation L:In the Hawaiian islands
millions of gallons a year