Archival objects in this container: Field Notebook "A 2 Complete", 1921 August-December Field Notebook "A 3 Complete", 1921 November-1922 July Field Notebook "A 4 Complete", 1921 July-1922 October Field Notebook "B 1 Complete", 1922 September Field Notebook "B 3 Complete", 1924 April-1927 October Field Notebook "B 11 Complete", 1929 January-1930 January Field Notebook "B 12 Complete", 1929 January-October Field Notebook "B 13 Complete", 1929 March-1930 March Field Notebook "B 15 Complete", 1929 April-1930 June Field Notebook "B 17", 1929 November-1931 March Field Notebook "B 19 Gypsum Claims Topogo., Complete", undated Field Notebook "B 20 Complete", 1930 May-1931 March Field Notebook "B 22", 1930 October-1932 October Field Notebook "B 23", 1931 February-1932 May Field Notebook "B 25", 1932 October-1933 April Field Notebook "B 26", 1932 April-1933 September Field Notebook "B 27", 1933 December-1934 July Field Notebook "B 28", 1933 December-1937 February Field Notebook "B 29", 1933 December-1934 July Field Notebook "B 30", 1934 August-1938 November Field Notebook "B 31", 1935 August-1938 February Field Notebook "T 59", 1965 February-1966 February Field Notebook "T 61", 1966 January