MINERALS. CRYSTALS. GEMSTONES. FIND OUT MORE. Earthâs crust is made of rock, and rock is made of natural substances called MINERALS. There are three main types of rockâsedimentary, igneous, and metamorphic rock. Each type is produced in different ways.The oldest rocks on Earth were formed about 3.8 billion years ago.INERALS. CRYSTALS. GEMSTONES. FIND OUT MORE. Earthâs crust is made of rock, and rock is made of natural substances called MINERALS. There are three main types of rockâsedimentary, igneous, and metamorphic rock. Each type is produced in different ways.
Twisted Sisters: The Texas Hill Countryâs Most Famous Trio. This route connects the Twisted SistersâHill Country Ranch Roads 335, 336 and 337ânorthwest of San Antonio, Texas. Three Hill Country Ranch Roads, 335, 336 and 337, are known throughout Texas as the Twisted Sisters, and riders come from near and far to enjoy them. For me it is near, just a short ride from my home to the first Sister.
Driving Directions: From Dayton or I-75, drive west on I-70 to OH Route 503 / Lewisburg, exit #14. Turn right and drive north on OH Route 503, through Lewisburg to 2nd traffic light at US Route 40 / National Road. Turn left at the traffic light and drive west on US Route 40 approximately 1 mile to Shields Road (watch for the Haunted Cave & Historic Mine Tours sign) Turn right and go north on Shields Road, drive .5 mile to Swishers Mill Road Turn right on Swishers Mill Road and drive east .2 mile.