Field indicators of hydric soils in the Mid-Atlantic United States.
APA Citation
United States. Environmental Protection Agency. Region III. (1996). Field indicators of hydric soils in the Mid-Atlantic United States. [Version 3.2]. [Philadelphia, Pa.: U.S. Environmental Protection Agency, Region III.
MLA Citation
United States. Environmental Protection Agency. Region III. Field Indicators of Hydric Soils In the Mid-Atlantic United States. [Version 3.2]. [Philadelphia, Pa.: U.S. Environmental Protection Agency, Region III, 1996.
Warning: These citations may not always be complete (especially for serials).