MacMacken, Joseph G.2018-10-092018-10-091925-04EPM-064-04-022http://hdl.handle.net/20.500.11867/142143 sheets 12.5 x 9.5 inch. Printed recto and verso. Front cover annotated.Author's name corrected on front cover, and verified to be Joseph and not John. Gives a geological explanation of the soil makeup in Central Washington.Agriculture