| OCR Text |
Show 3846 Gerdine- D 1867 a spirit level line, a precise level line run by the survey between Greenriver, Utah, and Flagstaff, Arizona, and is the basis for the elevations on this map -- I mean, that is one of them. If you follow up stream you will see any number of permanent bench marks established along that river. BY THE SPECIAL MASTER: Q Is that in the bed of the stream there? A No sir, it would be above tablet set inside with the elevation stamped on it. BY MR. BLACKMAR: Q Is that work that is done all over the country by the Coast Survey? A Yes. Q And these bench marks are established in various places? A Pracitcally every three or four miles along any line they run. Q And they have been determined scientifically? A Certainly. Q In answer to his Honor's question about running these contours out to only thirty- nine hundred, I see indicated here between mile 3 and 4 the number 4300? A Simply carried the topography at that time up to the |
