TY - BOOK AU - Powars,David S. AU - Bruce,T.Scott TI - The effects of the Chesapeake Bay impact crater on the geological framework and correlation of hydrogeologic units of the Lower York-James Peninsula, Virginia T2 - U.S. Geological Survey professional paper SN - 0607923415 (alk. paper) AV - QE613.5.C48 P68 1999 U1 - 557.55/1 21 PY - 1999/// CY - Madison, WI. PB - U.S. Geological Survey KW - Cryptoexplosion structures KW - Chesapeake Bay (Md. and Va.) KW - Local KW - Hydrogeology KW - Virginia KW - Geology, Structural ER -