Learn what soils are and why they are important. Discusses soil profiles, types of soils, soil conservation, soil ecosystems, and soil formation.

[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the characteristics of soil, factors in soil formation, and soil horizons and profiles. Includes a few questions to...

Hans Hofmann is profiled at this site in a format that begins with a brief biographical sketch of his life. His works are then listed by appearance in the museum's database. Each work is presented in thumbnail format with brief...