 | United States. Department of the Interior - 1849 - 1198 strani
...WK McKinley, JC Hilliard, and EE Harris, the area mapped being 887 square miles, for publication on. the scale of 1 :62,500, with a contour interval of 20 feet.. For the control of these areas and of the Marshall and Homer quadrangles Oscar Jones and HS Senseney ran 339 miles of... | |
 | Geological Survey (U.S.), United States. Geological survey - 1923 - 196 strani
...Indian Head quadrangle was completed, the total area mapped being 21 square miles, for publication on the scale of 1 : 62,500, with a contour interval of 20 feet. Virginia-North Carolina. — In cooperation with the State geologist of Virginia the survey of the... | |
 | Geological Survey (U.S.) - 1912 - 554 strani
...Muldrow, WH Griffin, JF McBeth, tl CH Davey, the area mapped being 291 square miles, for pubition on the scale of 1 : 62,500, with a contour interval of 20 feet. ir the control of these areas LF Biggs ran 63 miles of primary pels and established 15 permanent bench... | |
 | Geological Survey (U.S.) - 1903 - 420 strani
...quadrangle, in Rutland and Addison counties. The total area mapped was 216 square miles, for publication on the scale of 1 : 62,500, with a contour interval of 20 feet, in connection with which 136 miles of levels were run and 6 permanent bench marks were established.... | |
 | Geological Survey (U.S.) - 1906 - 684 strani
...242 square miles in Williamson tind Maury counties, was completed by Oscar Jones, for publication on the scale of 1 : 62,500, with a contour interval of 20 feet. For the control of this area 19 miles of primary levels were run and four permanent bench marks were established. Mr.... | |
 | Illinois State Geological Survey - 1920 - 214 strani
...by Mr. Harrison, the area mapped being ;30 square miles, for publication on the scale of 1:62,500, with a contour interval of 20 feet. For the control of the Vermont and Dongola quadrangles, in Fulton, AlcDonough, Schuyler, Union, Johnson, and Pulaski counties,... | |
 | Illinois State Geological Survey - 1909
...Winnebago and Stephenson counties, was mapped by Mr. Van H. Manning, topographer, for publication on the scale of 1 :62,500, with a contour interval of 20 feet. The Dunlap sheet, in Stark, Mai-shall, Peoria, Tazewell and Woodford counties, .was mapped by Mr. DC... | |
 | Iowa Geological Survey - 1907 - 672 strani
...(Nebraska-Iowa-Missouri) quadrangle, in Fremont county, was completed. This work is for publication on the scale of 1 : 62,500, with a contour interval of 20 feet. There were mapped in the course of this work 256 square miles in the above named quadrangles, and in... | |
 | 1907 - 656 strani
...(Nebraska-Iowa-Missouri) quadrangle, in Fremont county, was completed. This work is for publication on the scale of 1 : 62,500, with a contour interval of 20 feet. There were mapped in the course of this work 256 square miles in the above named quadrangles, and in... | |
 | Geological Survey (U.S.) - 1907 - 390 strani
...was completed by Basil Duke, the ea surveyed being 209 square miles, for publication on the scale of 62,500, with a contour interval of 20 feet. For the control of this ea 71 miles of primary levels were run. run and 34 permanent bench marks were established, 55... | |
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The total area mapped during the season was 831 square miles, for publication on the scale of 1 : 62,500, with a contour interval of 20 feet. For the control of the... 
