. Agriculture for southern schools. Cuurtesy puiubt Servki;, U. S. Ocpt. Agr. Fig. 134. — TheCup AND GutterSystem of boxing Pine TreesFOR Turpentine. Aft(.-r Forest Senice, U. S. Dept. A;;r. Fig. 135. — A Cross-section of an OakLog, SHOWING Annual Rings
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