Diagnostic medical sonographers must complete 24 continuing education credits every two years to remain certified. To maintain ARDMS credentials, sonographers must earn at least 30 continuing medical education (CME) credits in a 3-year period and pay an annual renewal fee.nly a few states require sonographers to be licensed. While state requirements can vary, a professional certification from a national credentialing organization is often required to become licensed.
[ edit intro ]. The Allegheny Portage Railroad was the section of the Pennsylvania Main Line of Public Works that traversed the Allegheny Mountains in Pennsylvania. It consisted of alternating level and inclined plane stretches of rail, pulling canal boats on carriages.
The Keweenaw Waterway is a partly natural, partly manmade waterway which cuts across the Keweenaw Peninsula of Michigan. Parts of the waterway are variously known as the Keweenaw Waterway, Portage Canal, Portage Lake Canal, Portage River, Lily Pond, and Portage Lake. The waterway connects to Lake Superior at its north and south entries, with sections known as Portage Lake and Torch Lake in between. The primary tributary to Portage Lake is the Sturgeon River.