Soil Survey Laboratory Methods Manual
(Soil Survey Laboratory Investigations Report No. 42)
Low-resolution (for onscreen viewing)
Laboratory Methods Manual (SSIR 42), version 5, 2014 (PDF; 6.29 MB)
High-resolution (suitable for printing)
Laboratory Methods Manual (SSIR 42), version 5, 2014 (PDF; 14.9 MB)
Questions can be directed to:
Kellogg Soil Survey Laboratory
MS 41, Room 152
100 Centennial Mall North
Lincoln, NE 68508-3866
(402) 437-5016
Previous Versions of Soil Survey Laboratory Methods Manual
Laboratory Methods Manual (SSIR 42), version 4, obsolete. (November, 2004; PDF; 4.8 MB)
Laboratory Methods Manual (SSIR 42), version 3, obsolete. (January, 1996; PDF; 1.8 MB)
