v. 19, 4 memoirs, v+90+3-36+45+3-7 p. +[7] leaves, il. 7 pl. 2 p. of pl. 4°
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* For Sale by Superintendent of Documents. Paper, 65c.
Notes:
CONTENTS.—1st. Tectonic conditions accompanying intrusion of basic and ultrabasic igneous rocks [with bibliography]; by W. N. Benson.—2d. Parallaxes of 57 stars; by Mildred Booth and Frank Schlesinger.—3d. Vegetation of Alpine region of Rocky Mountains in Colorado; by Theodore Holm.—4th. Meteoric iron from Owens Valley, Calif.; by George Perkins Merrill.
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* For Sale by Superintendent of Documents. Paper, 65c.