Cambrian geology and paleontology.
By: by Charles D. Walcott.
Series: Smithsonian miscellaneous collections -- v. 75, no. 1-5; Publication -- 2865, 2870, 2965; Publication (Smithsonian Institution) -- 2865, etc.
Publisher: Smithsonian Institution
Published: 1923
Place of publication: Washington
Language: eng
Subjects: Geology, Stratigraphic -- Cambrian; Paleontology -- Cambrian
Other titles: Pre-Devonian sedimentation; Pre-Devonian Paleozoic formations
Notes: "April 2, 1927." -- No. 4; "September 14, 1928." -- No. 5.
Table of contents: title: no. 4.; title: no. 4. -- no. 5.; title: no. 4.-- no. 5.