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Bradford Willard
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Journal Article
Journal: GSA Bulletin
Published: 01 February 1966
GSA Bulletin (1966) 77 (2): P23–P25.
Journal Article
Journal: GSA Bulletin
Published: 01 December 1964
GSA Bulletin (1964) 75 (12): P169–P174.
Journal Article
Journal: GSA Bulletin
Published: 01 December 1961
GSA Bulletin (1961) 72 (12): 1765–1776.
Journal Article
Journal: AAPG Bulletin
Published: 01 October 1957
AAPG Bulletin (1957) 41 (10): 2298–2311.
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 01 July 1955
GSA Bulletin (1955) 66 (7): 819–834.
Journal Article
Journal: AAPG Bulletin
Published: 01 October 1953
AAPG Bulletin (1953) 37 (10): 2444–2447.
Journal Article
Journal: GSA Bulletin
Published: 01 December 1950
GSA Bulletin (1950) 61 (12): 1355–1368.
Journal Article
Journal: AAPG Bulletin
Published: 01 December 1950
AAPG Bulletin (1950) 34 (12): 2269–2283.
FIGURES
Journal Article
Published: 01 March 1949
Journal of Paleontology (1949) 23 (2): 218–220.
Journal Article
Journal: GSA Bulletin
Published: 01 February 1948
GSA Bulletin (1948) 59 (2): 91–196.
Journal Article
Journal: GSA Bulletin
Published: 01 September 1946
GSA Bulletin (1946) 57 (9): 781–796.
Journal Article
Published: 01 January 1945
Journal of Paleontology (1945) 19 (1): 64–68.
Journal Article
Journal: GSA Bulletin
Published: 01 August 1943
GSA Bulletin (1943) 54 (8): 1067–1122.
Journal Article
Journal: GSA Bulletin
Published: 01 December 1942
GSA Bulletin (1942) 53 (12_1): 1729–1793.
Journal Article
Journal: GSA Bulletin
Published: 01 July 1939
GSA Bulletin (1939) 50 (7): 1165–1198.
Journal Article
Published: 01 September 1938
Journal of Paleontology (1938) 12 (5): 511–513.
Journal Article
Published: 01 October 1937
Journal of Paleontology (1937) 11 (7): 620–623.
Journal Article
Journal: GSA Bulletin
Published: 01 September 1937
GSA Bulletin (1937) 48 (9): 1237–1256.
Journal Article
Journal: GSA Bulletin
Published: 30 April 1936
GSA Bulletin (1936) 47 (4): 565–608.
Journal Article
Published: 01 January 1936
Journal of Paleontology (1936) 10 (1): 67–69.