100 Days on the Mississippi River

1.0River Semester/river含羞草视频/river/author/webmaster/100 Days on the Mississippi River - River Semesterrich600338<blockquote class="wp-embedded-content" data-secret="Tlq7f8y0f6"><a href="/river/">100 Days on the Mississippi River</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/river/embed/#?secret=Tlq7f8y0f6" width="600" height="338" title="“100 Days on the Mississippi River” — River Semester" data-secret="Tlq7f8y0f6" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !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); /* ]]> */ </script> /river/wp-content/uploads/sites/70/2023/12/20231208_101120_5F0A22-e1706119728460.jpeg1856764For details and stories from our last expedition in Fall 2025, check out the “Big Muddy” map, which includes posts, videos, and information from the 2023 and 2025 expeditions. Stay tuned for more information about the next expedition! Travel from the Headwaters to the Gulf of Mexico as part of this unique educational expedition. Students ...