This collection consists of 1551 original negatives and prints taken between 1918 and 1939 from southern and northern Utah by Dr. William H. Hopkins. Also includes various correspondence, documents, and articles.

This collection contains an assortment of catalogs and ephemera issued by Dragon, a company related to the outdoor recreation industry.

This collection contains an assortment of catalogs and ephemera issued by Dri Lite, a company related to the outdoor recreation industry.

This collection contains an assortment of catalogs and ephemera issued by Du Pont, a company related to the outdoor recreation industry.

This collection contains an assortment of catalogs and ephemera issued by Duckworth, a company related to the outdoor recreation industry.

This collection contains an assortment of catalogs and ephemera issued by Duluth Pack, a company related to the outdoor recreation industry.

This collection contains an assortment of catalogs and ephemera issued by Dunham Hiking Boots, a company related to the outdoor recreation industry.

This collection contains an assortment of catalogs and ephemera issued by Duraflex, a company related to the outdoor recreation industry.

This collection contains an assortment of catalogs and ephemera issued by Duxbak, a company related to the outdoor recreation industry.

This collection contains an assortment of catalogs and ephemera issued by Dynafit, a company related to the outdoor recreation industry.