Floral arrangement and table settings visible in foreground.

Handwritten annotation on verso reads: “To Mimi, Rosalyn Carter, Margaret Mead, September 1977”.

Item is a photograph of the signing of the protocol agreements with reference to the Columbia River Treaty at the White House on January 22, 1964. Seated from the left seated are: Paul Martin, Sr., Lester B. Pearson and Lyndon Johnson. Mr. Williston is on the extreme right at the edge of the picture.

Item is a photograph of the signing of the protocol agreements with reference to the Columbia River Treaty at the White House on January 22, 1964. Seated from the left are: Paul Martin, Sr., Lester B. Pearson, Lyndon Johnson and Dean Rusk. Mr. Williston is in the second row on the right.

Item is a photograph of the exchange of notes during the signing of the protocol and power sale agreements with reference to the Columbia River Treaty on January 22, 1964. Seated from the left are: Paul Martin, Sr., Lester B. Pearson, Lyndon Johnson and Dean Rusk. Mr. Williston is behind and to the right of President Johnson.

Item is a photograph of the exchange of notes during the signing of the protocol and power sale agreements with reference to the Columbia River Treaty on January 22, 1964. Seated from the left are: Paul Martin, Sr., Lester B. Pearson, Lyndon Johnson and Dean Rusk. Mr. Williston is behind and to the right of President Johnson.