. Carnegie Institution of Washington publication. 160 THE CLIMATIC FACTOR AS ILLUSTRATED IN ARID AMERICA. The first is shown in figure 42, where the precipitation at Porterville is compared directl}' with the growth of young sequoias at Dillonwood between 30 and 40 miles to the east of Porterville and 6,000 feet above it. The measurements used in preparing the two curves of growth here shown consist of group A (46 measurements of 19 trees, none of which was over 100 years of age and most of which were less than 40 years of age) and group B (8 measurements upon 5 trees having an age of from 100
. Carnegie Institution of Washington publication. 160 THE CLIMATIC FACTOR AS ILLUSTRATED IN ARID AMERICA. The first is shown in figure 42, where the precipitation at Porterville is compared directl}' with the growth of young sequoias at Dillonwood between 30 and 40 miles to the east of Porterville and 6,000 feet above it. The measurements used in preparing the two curves of growth here shown consist of group A (46 measurements of 19 trees, none of which was over 100 years of age and most of which were less than 40 years of age) and group B (8 measurements upon 5 trees having an age of from 100 to 150 years). Several of the Inches of July Aug. Sep Oct. Nov. Dec. Jan. Feb. Mar. June rainat â ' ' ' ' ''"^ ' ^ I I ' ^incneboi Fresno and Porterville 4. rain at San Fran- 8 Cisco Fio. 41.âMonthly Distribution of Precipitation in California. San Francisco â Freano ' Porterville. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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