Filters: Tags: WETLANDS (X) > Categories: Image (X)

Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts U.S. Geological Survey Grosz, Andrew Tag Types collection (2) label (2) category (1) Tag Schemes http://www.sciencebase.gov/vocab/undefined/DenverHistoryPhotoLibrary/Collections (2) http://www.sciencebase.gov/vocab/undefined/DenverHistoryPhotoLibrary/PhotoMedia (1) View Results as: JSON ATOM CSV

Wetlands include swamps, bogs, marshes, ponds, and peat lands. Circa 1990. Wetlands include swamps, bogs, marshes, ponds, and peat lands. Circa 1990. Page 22 (bottom left photo), U.S. Geological Survey Circular 1085. Categories: Image; Tags: Hill, C.L. Collection, Photo color print, Photographers, Wetlands Fragile wetlands are easily damaged by salt water that invades canals dredged for navigation and oil exploration. Fragile wetlands are easily damaged by salt water that invades canals dredged for navigation and oil exploration. Page 17 (top photo), U.S. Geological Survey Circular 1075. Categories: Image; Tags: Wetlands, color transparency (slides)