6/23/79 of same LITH Kanguk Fm Kanguk could be same then exactly as at Strand Fjord as it probably predates The Princess Margaret Arch forming central spine of A. Hebb Is. Eureka Latest K v Paleoc. rx. on other hand, would typically be expected to be different as Areas C v W of arch were undergoing sep. developments where phys. separate. Concept of Eureka Sound Fm. is a general wastebasket for latest K v TERT. non marine above marine section (Bull 320) Foshelin pen. is type area and if it's so badly defined here there then it is very difficult to extend it to distant areas