{"@context":{"@vocab":"https://schema.org/"},"@type":"ItemList","@id":"https://api.morvs.ai/api/v1/msha/mines/check?name=Martin%20Marietta%20Materials%20Inc","name":"Martin Marietta Materials Inc","_source":{"data_provider":"AI Analytics","brand_name":"MORVS","brand_url":"https://morvs.ai/","data_provider_url":"https://api.morvs.ai","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://arlweb.msha.gov/OpenGovernmentData/OGIMSHA.asp","generated_at":"2026-10-06T09:08:28.407Z"},"summary":{"mines":30,"total_accidents":2803,"fatalities":20},"mines":[{"mine_id":"4100071","mine_name":"Midlothian Quarry and Plant ","coal_metal_ind":"M","mine_status":"Active","state":"TX","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta North Texas Cement, LLC","num_employees":274,"canonical_url":"https://api.morvs.ai/mine/4100071"},{"mine_id":"4101335","mine_name":"Beckmann Quarry ","coal_metal_ind":"M","mine_status":"Active","state":"TX","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Southwest LLC","num_employees":230,"canonical_url":"https://api.morvs.ai/mine/4101335"},{"mine_id":"3300156","mine_name":"Martin Marietta - Woodville Lime & Stone","coal_metal_ind":"M","mine_status":"Active","state":"OH","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":116,"canonical_url":"https://api.morvs.ai/mine/3300156"},{"mine_id":"2600002","mine_name":"Martin Marietta - Gabbs Mine","coal_metal_ind":"M","mine_status":"Active","state":"NV","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":115,"canonical_url":"https://api.morvs.ai/mine/2600002"},{"mine_id":"2302308","mine_name":"Randolph Deep Mine","coal_metal_ind":"M","mine_status":"Active","state":"MO","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Kansas City, LLC","num_employees":103,"canonical_url":"https://api.morvs.ai/mine/2302308"},{"mine_id":"2501300","mine_name":"Fort Calhoun Underground Mine","coal_metal_ind":"M","mine_status":"Active","state":"NE","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Inc.","num_employees":102,"canonical_url":"https://api.morvs.ai/mine/2501300"},{"mine_id":"2500998","mine_name":"Weeping Water Mine","coal_metal_ind":"M","mine_status":"Active","state":"NE","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Inc","num_employees":95,"canonical_url":"https://api.morvs.ai/mine/2500998"},{"mine_id":"4100007","mine_name":"Bridgeport Stone Plant","coal_metal_ind":"M","mine_status":"Active","state":"TX","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Southwest, LLC","num_employees":94,"canonical_url":"https://api.morvs.ai/mine/4100007"},{"mine_id":"0801203","mine_name":"Fort Myers Quarry","coal_metal_ind":"M","mine_status":"Active","state":"FL","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc","num_employees":85,"canonical_url":"https://api.morvs.ai/mine/0801203"},{"mine_id":"3102336","mine_name":"Greensboro Portable Plant 1","coal_metal_ind":"M","mine_status":"Active","state":"NC","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Inc","num_employees":70,"canonical_url":"https://api.morvs.ai/mine/3102336"},{"mine_id":"3401859","mine_name":"Mill Creek Limestone Quarry","coal_metal_ind":"M","mine_status":"Active","state":"OK","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Southwest, LLC","num_employees":63,"canonical_url":"https://api.morvs.ai/mine/3401859"},{"mine_id":"4103360","mine_name":"NORTH BRIDGEPORT QUARRY","coal_metal_ind":"M","mine_status":"Active","state":"TX","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Soutwest, LLC","num_employees":60,"canonical_url":"https://api.morvs.ai/mine/4103360"},{"mine_id":"1300014","mine_name":"AMES MINE","coal_metal_ind":"M","mine_status":"Active","state":"IA","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":57,"canonical_url":"https://api.morvs.ai/mine/1300014"},{"mine_id":"1800009","mine_name":"Texas Quarry","coal_metal_ind":"M","mine_status":"Active","state":"MD","controller_name":"Martin Marietta Materials Inc","operator_name":"Bluegrass Materials Company, LLC","num_employees":54,"canonical_url":"https://api.morvs.ai/mine/1800009"},{"mine_id":"1300032","mine_name":"Fort Dodge Mine","coal_metal_ind":"M","mine_status":"Active","state":"IA","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":48,"canonical_url":"https://api.morvs.ai/mine/1300032"},{"mine_id":"4105170","mine_name":"Medina Rock & Rail","coal_metal_ind":"M","mine_status":"Active","state":"TX","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Southwest, LLC","num_employees":48,"canonical_url":"https://api.morvs.ai/mine/4105170"},{"mine_id":"0401838","mine_name":"Irwindale Aggregates","coal_metal_ind":"M","mine_status":"Active","state":"CA","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Southern California Aggregates,LLC","num_employees":43,"canonical_url":"https://api.morvs.ai/mine/0401838"},{"mine_id":"3401285","mine_name":"Mill Creek ","coal_metal_ind":"M","mine_status":"Active","state":"OK","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":43,"canonical_url":"https://api.morvs.ai/mine/3401285"},{"mine_id":"0900065","mine_name":"Augusta Quarry","coal_metal_ind":"M","mine_status":"Active","state":"GA","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":42,"canonical_url":"https://api.morvs.ai/mine/0900065"},{"mine_id":"0900074","mine_name":"Ruby Quarry","coal_metal_ind":"M","mine_status":"Active","state":"GA","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":42,"canonical_url":"https://api.morvs.ai/mine/0900074"},{"mine_id":"1200002","mine_name":"North Indianapolis Quarry & Mill","coal_metal_ind":"M","mine_status":"Active","state":"IN","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Inc","num_employees":42,"canonical_url":"https://api.morvs.ai/mine/1200002"},{"mine_id":"4800018","mine_name":"Granite Canyon Quarry","coal_metal_ind":"M","mine_status":"Active","state":"WY","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials","num_employees":42,"canonical_url":"https://api.morvs.ai/mine/4800018"},{"mine_id":"1201762","mine_name":"Kentucky Avenue Mine","coal_metal_ind":"M","mine_status":"Active","state":"IN","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Inc","num_employees":40,"canonical_url":"https://api.morvs.ai/mine/1201762"},{"mine_id":"0901029","mine_name":"Junction City Quarry","coal_metal_ind":"M","mine_status":"Active","state":"GA","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":39,"canonical_url":"https://api.morvs.ai/mine/0901029"},{"mine_id":"0301586","mine_name":"Jones Mill Quarry","coal_metal_ind":"M","mine_status":"Active","state":"AR","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":38,"canonical_url":"https://api.morvs.ai/mine/0301586"},{"mine_id":"0503935","mine_name":"Walstrum Quarry ","coal_metal_ind":"M","mine_status":"Active","state":"CO","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials","num_employees":35,"canonical_url":"https://api.morvs.ai/mine/0503935"},{"mine_id":"1301225","mine_name":"Durham Mine & Mill","coal_metal_ind":"M","mine_status":"Active","state":"IA","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":33,"canonical_url":"https://api.morvs.ai/mine/1301225"},{"mine_id":"3401634","mine_name":"SAWYER","coal_metal_ind":"M","mine_status":"Active","state":"OK","controller_name":"Martin Marietta Materials Inc","operator_name":"Meridian Aggregates Company, a Limited Partnership","num_employees":33,"canonical_url":"https://api.morvs.ai/mine/3401634"},{"mine_id":"0500860","mine_name":"Spec Agg Quarry","coal_metal_ind":"M","mine_status":"Active","state":"CO","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials","num_employees":32,"canonical_url":"https://api.morvs.ai/mine/0500860"},{"mine_id":"0301614","mine_name":"HATTON QUARRY","coal_metal_ind":"M","mine_status":"Active","state":"AR","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","num_employees":31,"canonical_url":"https://api.morvs.ai/mine/0301614"}],"recent_fatalities":[{"document_no":"220213570004","accident_date":"12/13/2021","mine_id":"4105268","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Southwest, LLC","classification":"POWERED HAULAGE","occupation":"Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver","degree_injury":"FATALITY","narrative":"Customer truck driver pulled into tarping area behind another truck and failed to set parking brake before exiting the truck. The driver did not use wheel chocks as required. The customer truck driver was fatally injured when customer's truck moved forward and pinned customer truck driver against the other drivers truck. ","canonical_url":"https://api.morvs.ai/mine-accident/220213570004"},{"document_no":"220003070050","accident_date":"10/31/2000","mine_id":"3300156","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Magnesia Specialties","classification":"POWERED HAULAGE","occupation":"Truck driver","degree_injury":"FATALITY","narrative":"DRIVER HAD JUST SCALED OUT HIS LOAD & PULLED AHEAD OF THE SCALE APPROX 117' ALONG THE ROADWAY EAST OF THE PACKHOUSE BLDG. ANOTHER TRUCK FOLLOWED BEHIND HIM ONTO THE SCALE. HE STATED HE SAW DEC EASED PULL HIS RIG OFF TO THE RIGHT SIDE OF THE ROADWAY ON A SLIGHT INCLINE. DECEASED WAS OUT OF HIS TRUCK AT THE REAR LOOKING INTO THE RAISED BED OF UNTARPED MATERIAL. TRAILER WENT OVER.","canonical_url":"https://api.morvs.ai/mine-accident/220003070050"},{"document_no":"220123000011","accident_date":"10/24/2012","mine_id":"2500998","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Inc","classification":"POWERED HAULAGE","occupation":"Utility man, Errand boy, Service truck operator","degree_injury":"FATALITY","narrative":"Forklift turned over - The miner was operating a forklift, traveling on a decline toward the mine entrance, when the forklift went out of control. The forklift struck a concrete support for the belt conveyor and overturned, killing him.","canonical_url":"https://api.morvs.ai/mine-accident/220123000011"},{"document_no":"220102940067","accident_date":"10/10/2010","mine_id":"3401651","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials, Inc.","classification":"ELECTRICAL","occupation":"Electrician helper","degree_injury":"FATALITY","narrative":"The investigation into the accident is on-going, but as of now, it appears as the three employees were installing ground vault indicator lights when an ach flash occurred, injuring them. The employees were transported to the hospital.","canonical_url":"https://api.morvs.ai/mine-accident/220102940067"},{"document_no":"220052730022","accident_date":"09/28/2005","mine_id":"2302232","controller_name":"Martin Marietta Materials Inc; Hunt Midwest Enterprises","operator_name":"Martin Marietta Kansas City, LLC","classification":"POWERED HAULAGE","occupation":"Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech","degree_injury":"FATALITY","narrative":"Employee was driving a Superior Bowen's (Contractor) water truck down the slope into mine and lost control, impacting a dome out (located at 2N- 0 E/W) at the bottom of slope resulting in ramping up of truck over and through to other side.","canonical_url":"https://api.morvs.ai/mine-accident/220052730022"},{"document_no":"220242780024","accident_date":"09/20/2024","mine_id":"4001247","controller_name":"Martin Marietta Materials Inc","operator_name":"Blue Water Industries","classification":"SLIP OR FALL OF PERSON","occupation":"Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator","degree_injury":"FATALITY","narrative":"Employee found face down on ground next to loader EE was operating. Responding authorities pronounced employee deceased. Incident is still under investigation.","canonical_url":"https://api.morvs.ai/mine-accident/220242780024"},{"document_no":"220202480023","accident_date":"08/21/2020","mine_id":"1302188","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Materials Inc.","classification":"MACHINERY","occupation":"Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver","degree_injury":"FATALITY","narrative":"Customer driver was found unresponsive outside the customer's truck. Cause of death is unknown.","canonical_url":"https://api.morvs.ai/mine-accident/220202480023"},{"document_no":"220212250007","accident_date":"08/03/2021","mine_id":"4100007","controller_name":"Martin Marietta Materials Inc","operator_name":"TXI Operations LP","classification":"POWERED HAULAGE","occupation":"Utility man, Shift tech, Service/Dump truck operator","degree_injury":"FATALITY","narrative":"An employee was fatally injured when EE was struck by a third-party truck driver who failed to stop at a posted, lighted, STOP sign and made a sudden turn off the primary travel way. Local law enforcement arrested the third-party truck driver and charged the driver in connection with the accident. ","canonical_url":"https://api.morvs.ai/mine-accident/220212250007"},{"document_no":"220121520001","accident_date":"05/23/2012","mine_id":"3400460","controller_name":"Martin Marietta Materials Inc","operator_name":"Meridian Aggregates Company, A Limited Partnership","classification":"MACHINERY","occupation":"Outside foreman, Leadman","degree_injury":"FATALITY","narrative":"Employee was operating an excavator between two small ponds when the ground beneath the excavator tracks failed and the excavator toppled into one of the ponds.","canonical_url":"https://api.morvs.ai/mine-accident/220121520001"},{"document_no":"220031490002","accident_date":"05/15/2003","mine_id":"3101235","controller_name":"Martin Marietta Materials Inc","operator_name":"Martin Marietta Aggregates","classification":"MACHINERY","occupation":"Welder (shop)","degree_injury":"FATALITY","narrative":"TWO EMPLOYEES WERE IN THE PROCESS OF ASSEMBLING THE FRAMEWORK OF A SCREEN TOWER. WHEN ONE SIDE FRAME WAS SET WITH A 15 TON BRIDGE CRANE IT WAS DETERMINED THAT SOME ALIGNMENT WAS NEEDED BEFORE THE SIDE FRAME COULD BE BOLTED INTO PLACE. HE ATTEMPTED TO RECONNECT THE SPREADER CHAINS TO ENBLE THE SIDE FRAME TO BE LIFTED. WHILE RAISING CRANE IT FELL ON THE INJURED IN THE BACK.","canonical_url":"https://api.morvs.ai/mine-accident/220031490002"}]}