Laboratories approved to receive soil.
Contributors: United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs.
Publisher: U.S. Dept. of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine
Published: 1984
Place of publication: [Beltsville, Md.?]
Language: eng
Number of pages: 47
Subjects: Soils -- United States -- Testing.; Laboratories -- United States -- Directories.
Notes: Cover title.

"July 1984."