Chicago : Engineering and Contracting Pub. Co. · leaf 303
et with in driving the well were asfollows: Feet. Top soil, lava ash 7.0 Sandy gravel 10.0 Cemented gravel, hard 23.0 Solid clay, hard 5.0 Sandy clay 30.0 Solid clay, hard 27.0 Sandy and gravelly clay 90.0 Tough, solid clay 20.0 Sand and fine gravel 36.0 Tough, solid clay, hard 4.0 Coarse,… … Fig. 1 — Exterior View of Pumping Stationand Elevated Tank. of this water were analyzed by the StateChemist and pronounced of an exceptionallyfine character, being non-mineralized, extreme-ly soft, free from ammonia contents, andwith a constant temperature of about 52° F.as drawn directly from the…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.