{"version":"1.0","provider_name":"Autonotion","provider_url":"https:\/\/www.autonocion.com\/us","author_name":"Luis Reyes","author_url":"https:\/\/www.autonocion.com\/us\/author\/luisreyes\/","title":"A 1,200-ton boring machine stretching 700 feet was assembled at the bottom of a 100-foot hole in a Washington park, because the complete machine could not fit down the shaft, and after her first 350 feet of digging she parks for two months to trade river teeth for rock","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"mAAzOu4Hvo\"><a href=\"https:\/\/www.autonocion.com\/us\/1200-ton-machine-built-underground\/\">A 1,200-ton boring machine stretching 700 feet was assembled at the bottom of a 100-foot hole in a Washington park, because the complete machine could not fit down the shaft, and after her first 350 feet of digging she parks for two months to trade river teeth for rock<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.autonocion.com\/us\/1200-ton-machine-built-underground\/embed\/#?secret=mAAzOu4Hvo\" width=\"600\" height=\"338\" title=\"&#8220;A 1,200-ton boring machine stretching 700 feet was assembled at the bottom of a 100-foot hole in a Washington park, because the complete machine could not fit down the shaft, and after her first 350 feet of digging she parks for two months to trade river teeth for rock&#8221; &#8212; Autonotion\" data-secret=\"mAAzOu4Hvo\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.autonocion.com\/us\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.autonocion.com\/us\/wp-content\/uploads\/2026\/07\/DC-Water-Mary-tunnel-boring-machine-Potomac-768x432.jpg","thumbnail_width":600,"thumbnail_height":338}