In other w ords, he is o f. the opinion that the formerly extensive grasslands o f. the southw estern United States w ere primarily due to the activities o f. m an. [...] The clim ate o f. opinion and the general direction o f. the expert thought o f. the 1950’s is reflected in the papers and proceedings o f. the M a n 's. [...] Under these circum stances people are more and more concerned with landscape and with the purpose o f. life— with what to do and where to d o it! And the leaders and the experts talk increasingly o f. the quality o f. environm ent and the quality o f. life. [...] Points are allocated and a rating established on the basis o f. such standards as the relative uniqueness o f. the canopy cover, B - horizon m orphology, plant and animal sp ec ies , and degree o f. m odification from the "prim itive”. [...] The 1964 M easures govern the protection o f. native m am m als, birds, and plants, prohibit the im porting o f. anim als and plants not indigenous to the area and provide for the designation o f. Specially Protected Areas o f. outstanding im portance.