Compiled at speed by two librarians at the Army Geospatial Center after the January 2010 earthquake, this annotated bibliography gathers published and archival sources on Haitian geology, hydrology, soils, forests, mining, meteorology, transport and terrain for relief planners and engineers. Its stated purpose is practical: helping teams choose sites for supply dumps, field hospitals, sanitation and water supply, and anticipate bottlenecks in moving people and cargo. Entries come largely from open collections, among them the US Geological Survey Library, the Defense Technical Information Center and the map division of the Library of Congress, with sensitive material held separately behind government access controls. An opening essay surveys the physical setting, working through the mountain systems, plains and river basins of the northern, central and southern regions, the scarcity of level farmland and the absence of navigable rivers. The volume serves as a finding aid to a scattered earth-science literature.