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United States Department of Agriculture

Agricultural Research Service

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Image Number K9534-1

At the Jornada Experimental Range in New Mexico, soil scientist Jerry Ritchie and Carole A. Ritchie measure leaf area of mesquite. Such hands-on measurements of vegetation, soil moisture, and reflectance help scientists verify data gathered by remote sensing techniques.

Photo by Scott Bauer.

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Last Modified: 10/13/2016
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