By the 1930s, the Parks' superintendent was beginning to grapple with the complexities of park resource management. Under
John R. White, Sequoia was one of the first parks to address the cumulative effect of visitation and development on the ecosystems
the Parks were meant to protect. Following the publication of the Leopold Report in 1963, Park staff began to include larger
numbers of ecologists, biologists, and botanists, and a wide range of research projects were undertaken. In 1976, the Division
of Natural Resources Management was established out of the consolidation of work functions drawn from throughout the Parks'
Many collections are former federal government records and are in the public domain. Other collections are from private sources;
copyright has been transferred to the NPS on most. Some collections have publication restrictions. Researchers are required
to properly credit all materials used. The researcher assumes responsibility for acquiring copyright permissions when needed.