IRON MAN 298 (1968)

"Heart of Stone" Part 1 of 3. Script by Len Kaminski. Pencils by Tom Tenney. Inks by Michael Avon Oeming. Cover by Kevin Hopgood and Steve Mitchell. At Stark Enterprises' Geothermal Research Facility, an earthquake threatens the lives of the employees operating an underground drilling rig! Heroically, one of the workers tries to shut down the geo-core drill, but instead falls into a deep chasm! And in that moment, Earthmover is born! Second story: "The Unquiet Earth" Script by Len Kaminski. Pencils by Tom Morgan. Inks by Don Cameron. After a physical therapy session, Tony Stark receives word that a major accident has occurred at S.E.'s research facility in the Mojave Desert! In response he quickly dispatches the NTU-150 armor to the location! Upon arrival the golden avenger dives underground to find the missing worker! But Shell-Head finds someone else instead: Earthmover! And the subterranean rock 'em sock 'em battle begins! Cameo appearances by Happy Hogan, Veronica Benning, Abe Zimmer, Dr. Erica Sondheim, Marcy Pearson, and Ultimo. 32 pages