This small yet historically significant collection covers a range of Bradfield's photography over his career. While not comprehensive it does touch on many of his areas research and interest. As this collection was disbursed through the subjects files, retrieval of additional Bradfield material will occur over time.

NEGATIVES, PRINTS, CORRESPONDENCE, INVENTORIES, NOTES Hal Malde, when donating this material to CCNHP, wrote that the "colour transparencies are especially useful for interpreting the vegetation." Images included are photographs Malde took himself along with the older images he borrowed from the park and used as reference material. There are many prints of Chauvenet's 1930s photographs.