. Fig. 19.—Two dimensional moisture-temperature provinces, being a combination of figures 1 and 16. Broken lines limit temperature efficiency provinces (fig. 1), full lines limit precipitation- . evaporation provinces, (fig. 16). (See also Plates 40 and 57.) in designating these ranges of index values, and two such adjectives sufl&ce to describe any one of the irregular areas shown on the chart. Thus, we may refer to the warm semiarid 'province, the medium humid province, the cool semihumid province, etc., each of these provinces including the coincident or overlapping portions of the corr


. Fig. 19.—Two dimensional moisture-temperature provinces, being a combination of figures 1 and 16. Broken lines limit temperature efficiency provinces (fig. 1), full lines limit precipitation- . evaporation provinces, (fig. 16). (See also Plates 40 and 57.) in designating these ranges of index values, and two such adjectives sufl&ce to describe any one of the irregular areas shown on the chart. Thus, we may refer to the warm semiarid 'province, the medium humid province, the cool semihumid province, etc., each of these provinces including the coincident or overlapping portions of the corresponding temperature and moisture provinces. An examination of figure 19 shows, however, that several different geographical areas may be characterized by the same pair of adjectives, and these may be designated by geographically descriptive terms,


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectphytoge, bookyear1921