Kroll, R. L. (1977). The bedrock geology of the Norwalk North and Norwalk South quadrangles. State Geological and Natural History Survey of Connecticut, Dept. of Environmental Protection.
Chicago Style (17th ed.) CitationKroll, Richard L. The Bedrock Geology of the Norwalk North and Norwalk South Quadrangles. [Hartford]: State Geological and Natural History Survey of Connecticut, Dept. of Environmental Protection, 1977.
MLA (9th ed.) CitationKroll, Richard L. The Bedrock Geology of the Norwalk North and Norwalk South Quadrangles. State Geological and Natural History Survey of Connecticut, Dept. of Environmental Protection, 1977.
Warning: These citations may not always be 100% accurate.