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	1.	The western hemlock. By Edward T. Allen. by Allen, E. T. (Edward Tyson), 1875- Series: United States. Bulletin ; no. 33. Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington, Govt. print. off., 1902 Availability: No items available. Add to cart (remove)
	2.	Fiorinia externa Ferris, a scale insect of hemlock by Robert L. Talerico, Charlew W. McComb and Wallace T. Garrett. by Talerico, Robert L, 1934- McComb, Charles W. (Charles Wight) [joint author.] Garrett, Wallace T [joint author.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: [Washington, U.S. Govt. Print. Off.] 1967 Availability: No items available. Add to cart (remove)

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