Author Rebecca Bryan Dreisbach, a great-great-granddaughter of Nathan Trowell, has selected images from Umatilla�s knowledgeable historians, citizens, and friends to narrate this v...ver maisAuthor Rebecca Bryan Dreisbach, a great-great-granddaughter of Nathan Trowell, has selected images from Umatilla�s knowledgeable historians, citizens, and friends to narrate this visual journey.ver menos