text s.l s.n Ind 52 p.: ill.; 21 cm. 52 p.: ill.; 21 cm. LERCH, Otto GEOLOGY AGRICULTURE LOUISIANA 531.9 531.9LERg INLIS000000000009266 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)