This ten-box collection contains the papers of LaGrande and Helen Peterson, Mrs. Peterson's mother Clara Bean, and their families, with the bulk of the collection consisting of the papers of Mr. and Mrs. Peterson. LaGrande's papers include his World War II correspondence to his wife, military papers and professional and personal papers. Helen's papers consist of correspondence, her college papers, professional papers and an autobiography. Clara Bean's papers consist of her college and personal writings (1920s and 30s) expressing feminist and religious views, correspondence, personal and professional papers. The remaining material includes Box Elder County legal and financial papers, family genealogical papers, and papers pertaining to the business of the Border Development Company and the Hotel Cazador in Mexico. This collection spans the time period 1901 to 1980.

Box 1 of the collection contains the World War II correspondence of LaGrande Peterson. Boxes 2 and 3 contain LaGrande's professional and personal papers, and box 3 also contains the personal and professional papers of Helen Peterson. Box 4 consists of papers concerning LaGrande's employer, Box Elder County and Bear River City papers. Box 5 has the papers concerning Clara Bean's death. Box 6 has the writings, college papers and correspondence of Clara Bean. Box 7 contains various family member's papers, genealogical papers and miscellaneous family correspondence. Box 8 includes the Border Development Co. and Hotel Cazador correspondence and legal papers. Box 9 is miscellaneous legal sized documents and Box 10 is oversized college diplomas, certificates and a check book.