1 Low blood levels of calcium may be caused by low levels of protein (albumin) in the blood, because about half of all calcium in the blood is attached to albumin. 2  For this reason, an ionized calcium level (which is not attached to albumin) and a blood albumin level may also be measured. Low blood levels of calcium may be caused by low levels of protein (albumin) in the blood, because about half of all calcium in the blood is attached to albumin. 2  For this reason, an ionized calcium level (which is not attached to albumin) and a blood albumin level may also be measured.
Manitou Cliff Dwellings. The Manitou Cliff Dwellings are a group of relocated Anasazi ruined cliff dwellings and a museum located just west of Colorado Springs, Colorado on U.S. Highway 24 in Manitou Springs. The Anasazi Museum was established in 1904 and opened to the public in 1907.
Manitou is one of the largest sailing ships on the Great Lakes, constructed with modern materials, but similar in design to vessels that sailed one-hundred years ago. She was built specifically for passenger service, making her one of the most comfortable windjammers afloat.