{"version":"1.0","provider_name":"Protecci\u00f3n contra Inundaciones de Edificios No Residenciales","provider_url":"https:\/\/www.reducefloodrisk.org\/es","author_name":"admin","author_url":"https:\/\/www.reducefloodrisk.org\/es\/author\/admin\/","title":"National Geodetic Vertical Datum (NGVD) of 1929 - Reduce Flood Risk","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"I3ZLlc3vBp\"><a href=\"https:\/\/www.reducefloodrisk.org\/es\/glossary\/national-geodetic-vertical-datum-ngvd-of-1929\/\">Datum Vertical Geod\u00e9sico Nacional (NGVD seg\u00fan su sigla en ingl\u00e9s) de 1929<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.reducefloodrisk.org\/es\/glossary\/national-geodetic-vertical-datum-ngvd-of-1929\/embed\/#?secret=I3ZLlc3vBp\" width=\"600\" height=\"338\" title=\"&#8220;National Geodetic Vertical Datum (NGVD) of 1929&#8221; &#8212; Reduce Flood Risk\" data-secret=\"I3ZLlc3vBp\" 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:\/\/eadn-wc05-6303079.nxedge.io\/wp-includes\/js\/wp-embed.min.js\n<\/script>","description":"A geodetic datum established in 1929; previously used by FEMA as a basis for measuring flood, ground, and structural elevations. Although NAVD datum is now used for Flood Insurance Rate Maps, NGVD is still used in many of the older FIRMs. NGVD was previously referred to as Sea Level Datum or Mean Sea Level.","thumbnail_url":"https:\/\/eadn-wc05-6303079.nxedge.io\/wp-content\/uploads\/2022\/05\/favicon_512px.png","thumbnail_width":512,"thumbnail_height":512}