1967年5月11日に、グレートノーザン鉄道総裁が、ビッグ・スカイ・ブルーの新塗装とブルーのゴート（白ひげヤギ）のロゴを発表しています。当時の新聞記事がgngoatに掲載されましたので、ちょっと長い英文ですが転載します。やっぱり、ゴートのロゴは捨てがたかったようです。
Daily Inter Lake
1967, 11 May: New Version Of "Rocky" Announced
The Rocky Mountain goat that went to work for Great Northern in the railway's trademark 46 years ago is about to make his "mod" debut.
Rocky, the only animal now appearing in the symbol of a major United States railway, soon will be seen up and down the land in his new look on G. N. passenger and freight cars, locomotives, stationery, advertising, signs - wherever the company uses its trademark.
The 1967 version of Rocky will be introduced with a new G. N. corporate color, named Big Sky Blue by John M. Budd, president of the railway. Mr. Budd said the company began last fall the development of a new corporate identification system, and employed Lippincott and Margulies, Inc., New York communications and design consultants, for the project.
"We felt," said Mr. Budd, "that Great Northern's development and progress as a modern transportation system should be projected in a fresh, modern image. In asking our consultants to propose a new identification system for the railway , we told them there were absolutely no sacred cows - or goats – to consider. It would have been painful, of course, not surprising had the experts recommended banishing Rocky from our trademark for they are wholly unsentimental about existing symbols and other identity elements when researching for a corporate identifications project.
"However, the Lippincott & Margulies team determines through extensive sampling of public opinion that the goat is more widely associated by people with Great Northern's name than ever we thought."
G. N.'s consultants recommended keeping Rocky in the symbol, but prescribed vitamins and exercise to make him a more vigorous, dynamic character. They also said the goat no longer should be required to look at the world through the encircling words, Great Northern Railway, as in the old trademark. In addition, they proposed stylized lettering for the company name, and a special blue paint for system wide application. G. N.'s previous official color is known as Omaha orange.
Mr. Budd said that the proposed identification system was approved in early March, and added that "we are especially pleased with the new color, which we immediately named Big Sky blue because it is typical of the Big Sky country of Minnesota, the Dakotas, Montana, Idaho, Washington and Oregon, where Great Northern runs."
G. N. just is beginning application of the new color Rocky trademark and lettering to locomotives, passenger and freight cars - an enormous job, considering that the company owns more than 50,000 units of equipment. The first freight cars to wear G. N.'s new look now are being built in Car & Foundry company, and delivery of the 300-car order will begin about May 15. The new identification system has been applied to a few passenger cars, and the eight new diesel locomotives now being built by Electro-Motive Corporation for mid-Summer delivery will go to work in Big Sky Blue.
"However," said Mr. Budd, "we will not undertake a crash painting program. Application of the new identification system to our rolling stock and engines will be progressed gradually, and will require a substantial period of time to complete. Meanwhile, our modernized trademark and new color are being applied to G. N.'s stationery, advertising, literature and the scores of paper forms used by the company, and this transition will be accomplished within a comparatively short time.
