1.0Canadian Society for Hydrological Scienceshttps://cshs.cwra.org/en/adminhttps://cshs.cwra.org/en/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="0IBnctr5Ln"><a href="https://cshs.cwra.org/en/timeline/1947/">1947</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://cshs.cwra.org/en/timeline/1947/embed/#?secret=0IBnctr5Ln" width="600" height="338" title="“1947” — Canadian Society for Hydrological Sciences" data-secret="0IBnctr5Ln" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! 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); //# sourceURL=https://cshs.cwra.org/wp-includes/js/wp-embed.min.js </script> CWRA has its roots in the Western Canada Reclamation Association (WCRA), established in 1947. The WCRA was formed to promote the development, control, conservation, preservation and utilization of the water resources of Western Canada.