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	1.	No cover image available Ferns from the Chinle Formation (Upper Triassic) in the Fort Wingate area, New Mexico / Sidney R. Ash by Ash, Sidney R, 1928- Series: Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington : U.S. Govt. Print. Off., 1969 Availability: Items available for loan: National Library of India (1)Call number: U.S. 550.8 As 31 f (paper no. 613-D). Place hold Request article Save to lists
	2.	No cover image available North American species of Tempskya and their stratigraphic significance / by Sidney R. Ash and Charles B. Read, with a section on stratigraphy and age of the Tempskya-bearing rocks of southern Hidalgo County, New Mexico, by Robert A. Zeller by Ash, Sidney R, 1928- Read, Charles Brian, 1907- [jt. aut] Series: Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington : U.S. Govt. Print. Off., 1976 Availability: Items available for loan: National Library of India (2)Call number: U.S 561.73 As 31 n, ... Place hold Request article Save to lists

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