{"type":"photo","width":961,"height":960,"url":"https://images.historyinfullcolor.com/img/s/v-10/p1726555267-6.jpg","version":"1.0","title":"02576 - Entrance to mine in Fort Mahone, intended to undermine Fort Sedgwick\", Petersburg, Va","author_name":"History In Full Color \u00AE","author_url":"https://images.historyinfullcolor.com/"}