My sister and I worked on a letter together and my sister sent it out to all our family members. We have been getting a lot of information and have got the exact date of her disappearance as March 30, 1973. It was her 34th birthday. We have a lot of other information that we are passing on to the cold case detectives to investigate. My mother's 3 surviving sisters are willing to talk to the detectives and one of them is providing her DNA for CODIS as well. As soon as I know what is factual I will post an update. Thank you all for your interest and support.