FIELD COLUMBIAN MUSEUM. 



GEOLOGY, VOL. Ill, PLATE XXIV. 



LlMONMTE GEODES, X « 



Fig. i. Two adjacent geodes, Kentucky. 



Fig. 2. Section of twin geode. Kentucky. 



Fig. 3. Section of geode, Muskogee. Indian Territory. 



Fig. 4. Limonite geode, Muskogee, Indian Territory. 



