I would like to:
1) Substantiate that the info I have below is accurate
2) See a picture of him
3) Know the name of his first wife
4) Know the birthplace of his mother

William Robert Johnston, (spelled with a "T") whose tomb stone says he was a "Cpl." in "Trp. F, 2nd Reg. VA Cavalry, CSA".

Birth: 29 JUL 1830 Abingdon, Washington, Virginia
Death: 20 JAN 1897
Father: John Johnston
Mother: Elizabeth Linthicum

I don't understand the info below, nor can I be sure it is accurate:

M382 roll 30

Film Number: 537512
Page Number: 1
Reference number: 701486