Contributions in geographical exploration . - and similar to Xo. \i\,except perhaps that the opening was larger and emitted a greater volumeof steam. This one was easier to work with because the wind wasfavorable. With the thermocouple bent and hung eight feet over theedge of the hole, the temperature was 309° Pfwlogruph by Jasper D. SayreA MUD POT IX AREA mud may be seen spattering up from the bottom,left and right. No. 48. T. 100° C. Mud Volcanoes, second area. Ml. Cerberus,S 48 E. Baked Mountain, S 84 E. 8(5, S 3 W. X, X (i3 was a nest of mud pots, boiling and sometime
Contributions in geographical exploration . - and similar to Xo. \i\,except perhaps that the opening was larger and emitted a greater volumeof steam. This one was easier to work with because the wind wasfavorable. With the thermocouple bent and hung eight feet over theedge of the hole, the temperature was 309° Pfwlogruph by Jasper D. SayreA MUD POT IX AREA mud may be seen spattering up from the bottom,left and right. No. 48. T. 100° C. Mud Volcanoes, second area. Ml. Cerberus,S 48 E. Baked Mountain, S 84 E. 8(5, S 3 W. X, X (i3 was a nest of mud pots, boiling and sometimes spouting tlirccfeet into the air. A crater ring of considerable size had Ixcn formedaround some of them. The mud was a chocofete browni. and no con-spicuous deposits or incrustations were noticed. All had a temperatureof 100° C. Photograi)h 3G93 (See cut above). 278 The Ohio Journal of Science [Vol. XIX, No. 5, SUMMARY AND DISCUSSION OF RESULTS. 1. The highest temperature measured was 432° C. Jhis,(No. 33), was found in a small and relatively inconspicuouscrack which one w^ould have expected to be cooler than greatvolcanoes like No. 32, in which the center of the steam columnwas inaccessible to our instruments. 2. We measured 102 vents with temperatures above 100° the 48 areas which we visited a
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