Most M.D.'s recommend that it is best to wait until at least the 1st day of your missed period before you take a pregnancy test. [ Source: http://www.chacha.com/question/how-many-days-should-you-wait-after-a-missed-period-before-taking-a-pregnancy-test ].
It is typically found conformally overlying the Marcellus Formation, and underlying the Tully Limestone (where present). The Mahantango has been divided into four members: 1  Tully Limestone: a fossiliferous calcaerous shale. 2  The Tully is a conspicuous formation, which separates the Mahantango from the Hamilton Group.3  Sherman Ridge: Olive gray, fossiliferous, claystone and siltstone with interbedded fine sandstones coarsening upward.t is named for the North branch of the Mahantango Creek in Perry and Juniata counties in Pennsylvania. It is a member of the Hamilton Group, along with the underlying the Marcellus Formation Shale.
Dickson point, Perry County. 4 1/2 inches long. Especially fine Graham Cave type, from Madison County. 4 5/16 inches long. Adena Point, Butler County. 4 1/2 inches; below, another adena from St. Charles co., 4 3/8 inches. 4 1/2 Leaf Type blade, white chert, found on site 23-CP-273 Cooper County Missouri in 1993. Smith point from St. Louis Co. 3 1/4 x 1 3/4 grey flint.