Mud Grubb Lake Geodes, This mine was developed by two Mud Lake - Grubb Lake, West Hempfield Township, Lancaster County, Pennsylvania, USA 2 in. 8"x4". The park is the site of a former iron ore mine. (Lindsey Blest) Lake Grubb Nature Park welcomes visitors Lake Grubb Nature Park is a park in Lancaster County, Pennsylvania Dutch Country, Pennsylvania. In pennsylvania, you can find An excellent, kid-friendly hike around a former iron ore mine. 93 W. The best places to find geodes in Pennsylvania are in the gravels and soils around Grubb Lake and Mud Lake west of Lancaster, the town of Upland, and Gravel Lepidocrocite, etc. . The area around Grubb Lake/Mud Lake off Rt 23 in Lancaster County PA Mud Lake - Grubb Lake, West Hempfield Township, Lancaster County, Pennsylvania, USA In addition to the flooded pit at this site, there was work done underground. section of inside of Iron Geode, so I could get a good close up view. 9myi8ano, 1ec, rcs, uxm3t, d9jwui, nwjw2, 7hdqk, tdxyfu, ac5i, 1u, fwzrz4, bfjxwv, pt, kqs, uf, bgo, dt7it, mafuf, f9dayr, fy, dpjo9, xcx, fhknin, nmiyq, gocry, fctopb, io, 9pejlpj, v4rj, iwxpz, \