{"id":3459,"featured":0,"modified":"2026-04-17 19:58:09","latitude":46.012539585562763022608123719692230224609375,"longitude":-112.555081844329833984375,"title":"Montana Tech Area","subtitle":"","fullsize":"https://storyofbutte.org/files/fullsize/0eed67d7db1332caeb1a967b19659119.jpg","address":"\r\n1300 West Park Street","all_locations":[],"zoom":16,"creator":["Larry Smith"],"description":"Main Hall&#039;s granite steps with dark (mafic) inclusions. This texture of dark blobs in granite is typical of many parts of the Boulder Batholith, including the Welch Quarry near Homestake Pass. Also pictured are examples from the Science &amp; Engineering Building as well as the granite arch and rock wall at the corner of Park &amp; Western Streets.","sponsor":null,"accessinfo":"","lede":"","website":"","related_resources":[],"factoids":[],"files":{"https://storyofbutte.org/files/fullsize/0eed67d7db1332caeb1a967b19659119.jpg":{"id":5560,"mime-type":"image/jpeg","title":"Main Hall granite+qtzite (1)-sm.JPG","description":"Overview of the front of Main Hall. The steps were constructed of granite and the pillars and arches were made of quartzite.","thumbnail":"https://storyofbutte.org/files/square_thumbnails/0eed67d7db1332caeb1a967b19659119.jpg"},"https://storyofbutte.org/files/fullsize/5ef1879de0c19895484105dd3f25a43d.jpg":{"id":5561,"mime-type":"image/jpeg","title":"Science+Eng bldg granite (2)-sm.JPG","description":"Granite steps with dark (mafic) inclusions. This texture of dark blobs in granite is typical of many parts of the Boulder Batholith, including the Welch Quarry near Homestake Pass.","thumbnail":"https://storyofbutte.org/files/square_thumbnails/5ef1879de0c19895484105dd3f25a43d.jpg"},"https://storyofbutte.org/files/fullsize/472e3b072b21b317bb530aada0eca987.jpg":{"id":5562,"mime-type":"image/jpeg","title":"Park+Western Ore vein wall (2)-sm.JPG","description":"The retaining wall on the north side of Park St is a prominent example of the use of oxidized (weathered) ore vein rock. ","thumbnail":"https://storyofbutte.org/files/square_thumbnails/472e3b072b21b317bb530aada0eca987.jpg"},"https://storyofbutte.org/files/fullsize/6fbb7ab1cd9be7f82ad57551dab9823e.jpg":{"id":5563,"mime-type":"image/jpeg","title":"Park+Western Ore vein wall (3)-sm.JPG","description":"Close up of the oxidized (weathered) ore vein material in the wall. ","thumbnail":"https://storyofbutte.org/files/square_thumbnails/6fbb7ab1cd9be7f82ad57551dab9823e.jpg"}}}