. Drainage modifications and glaciation in the Danbury region, Connecticut. Geology; Glacial epoch. 24 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. The level obtained at No. 8 is from a hole drilled within 50 feet of the river. The drill struck rock at an elevation of 316 feet after passing through 69 feet of quicksand, gravel, and till. This is clearly not within the channel as it is quite impossible to reconcile the figure with that at D, less than a mile distant. South of Jerusalem bridge at J, 150 feet from the river, a hole was bored through 95 feet of clay, sand, and gravel before str
. Drainage modifications and glaciation in the Danbury region, Connecticut. Geology; Glacial epoch. 24 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. The level obtained at No. 8 is from a hole drilled within 50 feet of the river. The drill struck rock at an elevation of 316 feet after passing through 69 feet of quicksand, gravel, and till. This is clearly not within the channel as it is quite impossible to reconcile the figure with that at D, less than a mile distant. South of Jerusalem bridge at J, 150 feet from the river, a hole was bored through 95 feet of clay, sand, and gravel before strik- ing rock at an elevation of 298 feet. Fig. 5. Rocky River Valley. Diagram indicating _ lowest rock levels which have been discovered by * b. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvey, Ruth Sawyer. Hartford, Printed by the State Geological and natural history survey
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgeology, bookyear1920
