{"@context":"https://schema.org","@type":"Place","additionalType":"https://schema.org/Port","name":"Calcite","identifier":"US MI3","unlocode":"US MI3","city":null,"country":"United States","waterBody":"Lake Huron; Great Lakes","harborSize":"Very Small","harborType":"Coastal (Breakwater)","channelDepthMeters":6.4,"confidenceLevel":null,"coordinates":{"latitude":45.416667,"longitude":-83.783333},"description":"About 10.5 million tons of limestone leave the Port of Calcite every year, shipped from what is the largest limestone quarry on earth near Rogers City, Michigan. Owned by Carmeuse Lime & Stone on the shore of Lake Huron, the port is a single-commodity bulk operation: limestone and aggregates only, with no container handling or general customs gateway. It is also the birthplace of the self-unloading vessel, a design the Michigan Limestone and Chemical Company pioneered so ships could discharge th","url":"https://www.freight-academy.com/en/information/seaports/calcite-port-us-mi3","markdownMirror":"https://www.freight-academy.com/api/md/seaports/en/calcite-port-us-mi3","source":null,"provider":{"@type":"Organization","name":"Freight Academy","url":"https://www.freight-academy.com"},"quickSummary":"Calcite · (UN/LOCODE: US MI3) · United States · Very Small · 6.4 m"}