TY - RPRT TI - Bedrock geologic map showing thickness of overlying Quaternary deposits, Grand Island Quadrangle, Nebraska and Kansas AU - V. H. Dreeszen AU - E.C. Reed AU - R.R. Burchett AU - G.E. Prichard PY - 1973 DO - 10.3133/i819 UR - https://pubs.usgs.gov/publication/i819 ID - i819 ER -