{"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 1,590-foot dam of compacted earth in Kentucky sits on limestone that slowly dissolves in water, so before touching the real thing, the Army Corps rebuilt it 57 feet wide and 100 feet long in a Mississippi lab and ran water through the model more than 200 times","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"OM20XrXMLP\"><a href=\"https:\/\/www.autonocion.com\/us\/1590-foot-dam-model-200-runs\/\">A 1,590-foot dam of compacted earth in Kentucky sits on limestone that slowly dissolves in water, so before touching the real thing, the Army Corps rebuilt it 57 feet wide and 100 feet long in a Mississippi lab and ran water through the model more than 200 times<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.autonocion.com\/us\/1590-foot-dam-model-200-runs\/embed\/#?secret=OM20XrXMLP\" width=\"600\" height=\"338\" title=\"&#8220;A 1,590-foot dam of compacted earth in Kentucky sits on limestone that slowly dissolves in water, so before touching the real thing, the Army Corps rebuilt it 57 feet wide and 100 feet long in a Mississippi lab and ran water through the model more than 200 times&#8221; &#8212; Autonotion\" data-secret=\"OM20XrXMLP\" 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\/10\/Rough-River-Dam-scale-model-768x432.jpg","thumbnail_width":600,"thumbnail_height":338}