Aven Nelson's field book dated 1910, containing records 9311 through 9882. This book also contain..., Manuscript originals available at the University of Wyoming., , ,
Aven Nelson's field book dated 1895, containing records 1208 through 1910. Observations were made..., The cover indicates that the volume contains records numbered 1208 through 1826, however the volu..., Manuscript originals available at the University of Wyoming.
Aven Nelson's field book dated 1925 to 1930, containing records 10163 through 10785. This book ac..., Manuscript originals available at the University of Wyoming.
Aven Nelson's field book dated 1899, containing records 6203 through 6943. Samples were collected..., Manuscript originals available at the University of Wyoming.
Aven Nelson's field book dated 1909, containing records 9212 through 9310. Observations were made..., Manuscript originals available at the University of Wyoming.
Aven Nelson's field book dated 1900. Title states that it contains records 7675 to 8224, however ..., Manuscript originals available at the University of Wyoming.
Scans of Aven Nelson collection field books. This section dates from 1894-1895 and contains a ser..., Some of the samples were collected by George Cordiner., Manuscript originals available at the University of Wyoming.
