Contributions in geographical exploration . 96° C. at the surface of the ground. No. 18. T. 264° C. 150 feet northwest of No. 17. This fumarole was on the same lines as Nos. 14, 15, 16 and 17. Itwas a small theater of hot small holes, with characteristic brown bakedsurface crust. We recorded two temperatures from it; one 264° C. andthe other 250° C. The vents were merely small irregular cracks, neitherdepressed nor elevated above the general level of the Valley floor. March, l.)l*)J Temperatures of Ten Thoitsaud Smokes 269 Xo. 19. T. 304° C. XI, S 50 \V. Mt. Cerbcnis. S oo E. Baked Mountain, N
Contributions in geographical exploration . 96° C. at the surface of the ground. No. 18. T. 264° C. 150 feet northwest of No. 17. This fumarole was on the same lines as Nos. 14, 15, 16 and 17. Itwas a small theater of hot small holes, with characteristic brown bakedsurface crust. We recorded two temperatures from it; one 264° C. andthe other 250° C. The vents were merely small irregular cracks, neitherdepressed nor elevated above the general level of the Valley floor. March, l.)l*)J Temperatures of Ten Thoitsaud Smokes 269 Xo. 19. T. 304° C. XI, S 50 \V. Mt. Cerbcnis. S oo E. Baked Mountain, N 48 E. This was a big hole in the level Valley floor which gives forth steam andgases. The steam did not condense until some distance above theopening. There were no conspicuous deposits around the throat ofthe fumarole. It was a gray ash color similar to the surrounding Valleyfloor. Several feet do-^Ti in the throat one could .sec the ordinary tuffof the mud flow. We obtained a temperature of 304° C. at the . Fiiolotiriiph by Paui ii. llngeibargerAREA cracked and broken area, with white and brown incn:stations, showed manydifferent temperatures in the numerous crevices; maximum 299 C. No. 20. T. 209° C. 75 yards south of Xo. 19. Like the preceding, this fumarole was an irregular opening in themud flow, with no conspicuous deposits, but surrounded by the commonash of the Valley floor. The temperature at the mouth was 245° C, butfour feet down it was 269° C. Photographs 3727, 372s. No. 21. T. 196° C. Mt. Cerberus, S 60 E. XI, S IS W. BakedMountain, N 4S large crater near the River Lethe was very brilliant and steamingcopiously. We were unable to secure the tcmixTalure <»f the crateritself, but took the temperature of a small fissure in its rim. Thisregistered 196° C. at the surface. The crater harl a striking, flark Rnl andblack coating in its throat, and was a spectacle whenever the steam 270 The Ohio Journal of Science [Vo
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