...was begun by RM Wilson, EG Hamilton, NA Huth, and CA Ecklund, the area mapped being 58 square miles, for publication on the scale of 1 : 62,500, with a contour interval of 25 feet. For the control of these areas and of the Disston, Alsea, Coos Bay, Drain, Wendling, Scottsburg,...

...Virginia portion of the 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...

...Alleghany, Botetourt, and Craig counties, fe Completed by TF Slaughter, the area mapped being -46 square s. for publication on the scale of 1 : 62,500, with a contour interval feet For the control of this area Mr. Senseney ran 33 miles of aarv levels and established 9 permanent...

...Monroe counties, was commenced, the total area mapped to December 31, 1908, being 915 square miles, for publication on the scale of 1 :62,500, with a contour interval -of twenty feet. Preliminary work was well advanced on the Apple River and Galena quadrangles, in Jo Daviess...

...Illinois portion of the Kimmswick quadrangle, comprising 84 square miles in St. Clair and Monroe counties, was completed for publication on the scale of 1 : 62,500, with a contour interval of 20 feet. This work was done by Frank Tweedy, FW State. Contour interval. Feet. 20-50 50 5-20 20 20...

...the Nebraska City (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,...

...the Nebraska City (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,...

...(Wis.-Ill.) sheet, in 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, Marshall, Peoria, Tazewell and Woodford counties, was mapped by...

...Monroe counties, was commenced, the total area mapped to December 31, 1908, being 915 square miles, for publication on the scale of 1 :62,500, with a contour interval of twenty feet. Preliminary work was well advanced on the Apple River and Galena quadrangles, in Jo Daviess...

...Monroe counties, was commenced, the total area mapped to December 31, 1908, being 915 square miles, for publication on the scale of 1 :62,500, with a contour interval of twenty feet. Preliminary work was well advanced on the Apple Eiver and Galena quadrangles, in Jo Daviess...