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    <loc>https://www.springfieldunderground.com/history</loc>
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    <lastmod>2025-05-20</lastmod>
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      <image:title>History</image:title>
      <image:caption>In 1946, the Joseph J. Griesemer Quarry opened northeast of Springfield, Missouri on Historic Route 66 and the Frisco Railroad.</image:caption>
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      <image:title>History</image:title>
      <image:caption>Now the north entrance to Springfield Underground, the quarry provided crushed limestone products to the construction and agricultural markets.</image:caption>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/5bd33d7df8135a3d2c91bf94/1541000028507-MFO0DPSEA9969WAMC7Y5/1956+Underground+loading.jpg</image:loc>
      <image:title>History</image:title>
      <image:caption>In 1954, mining operations went underground using the room and pillar method of mining in order to reduce dust and noise to the surrounding area.</image:caption>
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      <image:loc>https://images.squarespace-cdn.com/content/v1/5bd33d7df8135a3d2c91bf94/1540999989342-21A05UASJKZTSWI5IX9B/Tunnel+with+Dump+Truck.jpg</image:loc>
      <image:title>History</image:title>
      <image:caption>By 1960, enough area had been mined to build the first 250,000 square feet of warehouse underground while still allowing for mining to continue.</image:caption>
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    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5bd33d7df8135a3d2c91bf94/1541000005882-4AXAFLVA7ASX1LVBJULI/1962+Security+Terminal+-+Train.jpg</image:loc>
      <image:title>History</image:title>
      <image:caption>Now named Griesemer Stone Company, the limestone mining company partnered with a real estate investment company, Security Terminal, to build the first warehouse.</image:caption>
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    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5bd33d7df8135a3d2c91bf94/1541000462592-I3QHU749KASITRYYFJR4/1962.jpg</image:loc>
      <image:title>History</image:title>
      <image:caption>Griesemer Stone Company and Security Terminal partnered with General Warehouse Corporation to operate future warehouses.</image:caption>
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    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5bd33d7df8135a3d2c91bf94/1541000880031-Y54U928K88XE22E6HMWL/Limestone+Storage+Pays+Off+Feb+1993.jpg</image:loc>
      <image:title>History</image:title>
      <image:caption>Mining and warehouse construction continued for the next five and a half decades, removing over 31 million tons of limestone.</image:caption>
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    <image:image>
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      <image:title>History</image:title>
      <image:caption>In 1994, Griesemer Stone Company, Security Terminal, and General Warehouse Corporation merged to become Springfield Underground.</image:caption>
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      <image:title>History</image:title>
      <image:caption>Mining operations ceased in 2015. Our limestone customers can find high quality aggregates at our sister company, Westside Stone.</image:caption>
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      <image:title>History</image:title>
      <image:caption>Today, we are passionate about solving our customers’ problems. Along with the rest of the Erlen Group family of companies, we provide real estate, transportation, storage, and logistics solutions.</image:caption>
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    <lastmod>2025-02-11</lastmod>
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      <image:title>ADVANTAGES of being underground</image:title>
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      <image:title>ADVANTAGES of being underground</image:title>
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      <image:title>ADVANTAGES of being underground</image:title>
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      <image:title>ADVANTAGES of being underground</image:title>
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      <image:title>ADVANTAGES of being underground</image:title>
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    <image:image>
      <image:loc>https://images.squarespace-cdn.com/content/v1/5bd33d7df8135a3d2c91bf94/ec99840f-6ba3-477b-a3ed-ab2550fe33b6/BenMatthews-07778.jpg</image:loc>
      <image:title>ADVANTAGES of being underground</image:title>
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    <image:image>
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      <image:title>ADVANTAGES of being underground</image:title>
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      <image:title>ADVANTAGES of being underground</image:title>
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    <image:image>
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      <image:title>ADVANTAGES of being underground</image:title>
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    <loc>https://www.springfieldunderground.com/home</loc>
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    <priority>1.0</priority>
    <lastmod>2025-02-26</lastmod>
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      <image:title>Home</image:title>
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      <image:title>Home</image:title>
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  <url>
    <loc>https://www.springfieldunderground.com/contact</loc>
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    <lastmod>2025-02-26</lastmod>
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  <url>
    <loc>https://www.springfieldunderground.com/careers</loc>
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    <lastmod>2022-08-12</lastmod>
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      <image:title>Careers - Make it stand out</image:title>
      <image:caption>Whatever it is, the way you tell your story online can make all the difference.</image:caption>
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