University of Maryland Extension

Soil Maps

Neith Little, Extension Agent, Urban Agriculture

Urban Ag home | Table of contents

If you grow outdoors, a map may already be available showing your soil’s texture and other characteristics. This information can be a valuable resource to help you learn about and better manage your soil. The United States Department of Agriculture Natural Resources Conservation Service (USDA-NRCS) offers a searchable online map of soils called the Web Soil Survey:

Unfortunately, in urban areas it is common for construction to have changed the soil at a site since the mapping was done. This means that the Web Soil Survey is a good place to start, but you will need to determine whether the information it provides is still accurate for your site. Additionally, the Web Soil Survey was not designed to be accurate at very small scales. Fortunately, the USDA-NRCS is aware of this issue and has been working to conduct revised soil surveying specific to urban areas:


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