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.
2. 2,000' vertical elevation gain in a mile. The Manitou Incline was not designed for human powered travel - it's is a former cable car railway. The rails were removed in 1990, but the wooden ties were left to prevent erosion leaving over 2,700 steps for those brave enough to make the climb.