. The Conference called by the Governor of Pennsylvania to consider ways and means for preventing the spread of the chestnut tree bark disease : The Capitol, Chamber of the House of Representatives, Harrisburg, Pennsylvania, February 20 and 21, 1912 : stenographic report of proceedings of the conference. No. 28. The chestnut tree in the centre of the picture shows four well-developed —I'liotogrupli hy Prof. No. 20. Typical group of dead chestnut trees. Note dead suckers on the trunks. From left to right:—the first trunk shows the disease less than one year old, (nothnig evid
. The Conference called by the Governor of Pennsylvania to consider ways and means for preventing the spread of the chestnut tree bark disease : The Capitol, Chamber of the House of Representatives, Harrisburg, Pennsylvania, February 20 and 21, 1912 : stenographic report of proceedings of the conference. No. 28. The chestnut tree in the centre of the picture shows four well-developed —I'liotogrupli hy Prof. No. 20. Typical group of dead chestnut trees. Note dead suckers on the trunks. From left to right:—the first trunk shows the disease less than one year old, (nothnig evident in this i)l!Oioginph) ; the second, an infection of from two to three years old ; the third four or more years old ; and the fourth about three years old. Scene near Brooklyn, New York.—/'hotoyraph hy Prof. 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 Pearson, Raymond A. (Raymond Allen), 1873-1939. Harrisburg : C. E. Aughinbaugh, Printer to the State of Pennsylvania
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1910, bookyear1912
