Grassland expansion as an instrument of hydrologic change in Neogene Western North America

Mix, H.T., Winnick, M.J., Mulch, and Chamberlain, C.P. (2013) Grassland expansion as an instrument of hydrologic change in Neogene Western North America. Earth and Planetary Science Letters,v. 377-378, p. 73-83. doi: 10.1016/j.epsl.2013.07.032