From Introduction: "The investigations presented in this bulletin have been undertaken by the bureau with a view to a better understanding of the conditions which confront the producer of commercial feldspar and also with the object of determining wherein the various deposits of feldspar differ."

The image in front of the postcard shows a green and yellow two story house in the background. To the left side of the house is a glass room with trees behind it. In the foreground there is a garden with shrubbery and flowers. The home belongs to actor and singer Chauncey Olcott. On the bottom of the postcard is printed the following: "Saratoga, Inniscarra. Residence of Mr. Chauncey Olcott." On the lower right corner is printed the following: "Printed by Louis Glaser, Leipzig, Germany" along with handwritten illegible text. The postcard is addressed to Mr. Geo Caldwell from Huntington, West Virginia.

From purpose and scope: This study was undertaken to evaluate the reduction in PCB concentrations in Hudson River water that occurs during treatment at the Waterford plant. The concentration of PCB's in untreated Hudson River water were compared with those in treated drinking water at Waterford, and an average removal efficiency at the treatment plant was calculated.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

[Letter from Phyllis G. Voss to Harris Leon Kempner acknowledging with thanks for his personal letter regarding Miss Tracy Harris.

Letter from Mrs. David F. Weston to I. H. Kempner discussing her upcoming travel plans for the summer and Daisy's death.

Letter from I. H. Kempner to Mr. and Mrs. David Weston discussing his correspondence with Henry W. Haynes and their plans to book a trip to Whiteface Inn during the summer.

Letter from Myron H. Wooley of The Gideon Putnam Saratoga Spa discussing his updated reservation which will no longer be the 5th to 9th as he will be at Lake Placid.

Letter from Myron H. Wooley of The Gideon Putnam to I. H. Kempner discussing an available room and reservation dating August 5th to 9th.

Letter from I. H. Kempner to The Gideon Putnam discussing his reservation cancellation for The Gideon Putnam due to his and Mrs. Kempner's trip to Lake Placid.

Letter from I. H. Kempner to the Gideon Putnam Hotel requesting information for a reservation at the beginning of the race season for himself and Mrs. Kempner.

Letter from Myron H. Wooley discussing timelines and rates for a future reservation for Mr. and Mrs. Kempner in August.