Oblong Quarto album ca. 27,2x36,3 cm. 23 card stock leaves. With ca. 134 mounted original gelatin silver photographs from ca. 21,2x27 cm (8 ¼ x 10 ½ in) to ca. 4,3x5,8 cm (1 ¾ x 2 ¼ in); with a tipped-in formal list (in Japanese) of attendees of a 1941 commemorative gathering of the Hokkaido Colliery & Railway Company, printed on tissue paper. No captions. Three photos with blind-tooled titles of the period Japanese photographic studios (including “C. Suzukawa” and “the Jinnai Rozan Photo Studio”) on the mounts. Period full-cloth album fastened with a string; paper label reading “Stationers” on upper left corner of inner front cover.  Edges worn, several images missing, photographs slightly age-toned, but otherwise a very good album with strong, interesting photos.

Second album: ca. 1946-1949. Octavo album ca. 24x18,2 cm. 20 card stock leaves. With ca. 130 mounted original gelatin silver photographs (including one real photo postcard) from ca. 8,9x14,2 cm (3 ½ x 5 ½ in) to 3,4x11,2 cm (1 ¼ x 4 ¼ in). No captions. Period cardboards. Two photographic prints from the album mounted to the front cover with adhesive paper; the first photo with a Japanese caption likely reading in translation “Inspection tour of America (voyage by ship), executives of Hokutan Yubari.”  Spine slightly rubbed, but otherwise a very good album.

Historically interesting collection of two private albums with ca. 264 original photographs likely taken by a Japanese high-ranking employee of the Hokkaido Colliery & Railway Company (Hokutan), documenting wartime coal-mining operations in Yubari (Japan) and a post-war inspection tour of the United States by company executives.

Coal was discovered near Yubari in 1888 by engineer Saka Ichitaro, leading the Hokkaido Colliery & Railway Company (Hokutan) to begin mining operations there in 1890. The company heavily developed the local infrastructure, culminating in Yubari's official incorporation as a city in 1943. During WWII, the area became a vital coal-production center that relied heavily on forced labor due to wartime shortages. After the war, under the Allied occupation (SCAP), Japan’s coal industry faced restructuring and modernization pressures. Between 1948 and 1950, selected Japanese industrial leaders were allowed to travel to the United States to study mining technology, safety systems, and industrial organization. The journey allowed executives to study advanced American mining technologies, conveyor systems, utility administration, and safety protocols to successfully rebuild Japan's domestic coal sector. This pivotal modernization push allowed Hokutan to sustain its core operations for another decade, until its primary Yubari mines were closed in 1963 and transferred to a successor company.

The first album contains ca. 134 rare photographs, likely taken in and around Yubari, Hokkaido, between 1941 and 1945. Around twenty group portraits mostly depict Hokutan officials at company offices, shrines, cafés, the Rozan Jinnai photo studio in Otaru, and aboard the SS Taiyomaru Tokio with Western colleagues. Two important photographs show officials posing at the Yubari Mine entrance and celebrating the opening of the Hobetsu Coal Mine in 1945. Especially interesting are about ten photographs of underground mining operations, likely depicting forced laborers or Allied POWs using manual picks in narrow tunnels, crowding into metal transport buckets, and posing caked in coal dust. Other interesting photos show a women's training ceremony, company officials surveying the industrial complex, private Japanese weddings, and about twenty-five vernacular views of wartime Yubari (the Hokutan baseball team, a school parade, etc.). The album also contains a tipped-in commemorative roster from 1941 marking the visit of Managing Director Shojiro Mikuni to the Hokkaido Coal Mine, listing those in attendance.

The second album contains ca. 130 original photographs documenting an official inspection trip by senior executives of the Hokkaido Colliery & Railway Company to the United States during the late 1940s. It was likely compiled by the same senior company official who assembled the first album and accompanied the delegation on the American voyage.

As follows from the photographs, a group of at least eight people traveled from Japan to Honolulu aboard the SS President Wilson. The delegation first visited Hawaii, then continued by sea to the U.S. mainland and traveled on to Washington, followed by visits to Virginia, Massachusetts, New Jersey, Tennessee, and Philadelphia.

The album opens with about twenty-five photographs of the trans-Pacific voyage to the U.S., showing the group dining on deck of the SS President Wilson, resting, and posing in life jackets. A series of twenty-seven vernacular photographs documents the party’s visit to Honolulu, showing the travelling party in floral leis, city’s aerial views, and local landmarks of interest, including the Hawaiian Electric Co. Ltd. and the courthouse with the King Kamehameha statue. About thirty-five photos follow the party to Washington D.C. and mostly illustrate scenes aboard an SS, meetings with American professionals, and views of major city attractions (National Mall, the Founders Memorial of the National Society DAC, the Jefferson Memorial, and the NSDAR Memorial Continental Hall). The album also includes about fifteen photos of Virginia, showing historic sites in Arlington (the Tomb of the unknown Soldier and the Arlington Memorial Amphitheater) and Mount Vernon (the North Lodge Gate, the Mount Vernon Mansion, and the tomb of George and Martha Washington).

The rest of the photos mostly document Harvard Square in Cambridge (Massachusetts), the Albright Gallery of Art in Buffalo and Benjamin Franklin Bridge (New Jersey), South Broad St. with clearly visible signs (“Anti-Stalling,” ‘Elion Motors Inc.,” etc.) in Philadelphia, and likely the Norris Dam in Tennessee.

Overall, historically interesting collection of two private albums likely compiled by a Japanese high-ranking employee of the Hokkaido Colliery & Railway Company, and documenting wartime coal-mining operations in Yubari, Japan, and a post-war inspection tour of the United States by company executives.