Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleKeystone Driller Company and Star Drilling Machine Company EXCAVATORS.AuthorsHaddock, Keith; Frantz, DonAbstractThe article evaluates the excavators manufactured by Keystone Driller Co. and Star Drilling Machine Co.SubjectsEXCAVATING machinery; KEYSTONE Driller Co.; STAR Drilling Machine Co.PublicationEquipment Echoes, 2015, Issue 117, p20ISSN0897-5159Publication typeProduct Review