Postcard of a woman wearing a green dress standing near a window with a mistletoe pattern on the pane and "A Merry Christmas" written on the glass. The letter on the back reads, "With great wishes for a lovely X-mas from Phoebe." The postcard is addressed to "Miss M. McFaddin 1114 3rd Avenue Huntington West Va."

Postcard of a green train and man dressed in a red jacket on a bridge. The scene is described as "New Huntington - Guyandotte Bridge, Huntington, W. Va." The letter on the back is illegible. The postcard is addressed to "Miss Mamie McFaddin Gunston Hall Washington D. C."

Postcard of a red brick building with white accents hidden behind the treeline. The letter on the card and on the back is illegible. The postcard is addressed to "Miss Mamie McFaddin Gunston Hall Washington, D. C."

From Introduction: "The studies herein reported were begun as a part of researches undertaken by the United States Geological Survey looking to the more efficient utilization of the coal in the United States through the reduction of the waste in its extraction, and were continued as part of further researches having regard to the conversation of the fuel resources of this country and to the lessening of injuries and fatalities in coal mining."