There are two types: red bone marrow and yellow bone marrow. (marksdailyapple.com)
Natty's family farm is in the path of the mountain - top removal coal - mining, and Charlie will be facing some hard decisions as the people of Red Bone begin showing him the love and strength to be found on Redemption Mountain. (bookpage.com)
Yellow bone marrow is higher in fat cells, whereas red bone marrow is higher in platelets. (marksdailyapple.com)