Adam and Hoss assist a German engineer in developing the concept of "square set timbering" in the mines. Based on fact, and the first episode not to include all four Cartwrights. Hoss refers to the character, Emily, with whom he was in love with in, "The Newcomers".
Elenco:
Michael Landon
,
Dan Blocker
,
Bing Russell
,
David Canary
,
Lorne Greene
,
Lou Frizzell
,
Mitch Vogel
,
Pernell Roberts
,
Ray Teal
,
Tim Matheson
,
Victor Sen Yung
.