“I guess it was Cal asked Lee.” (Aron, born in California)
. . . . . .
“That’s a smell could raise me out of a concrete grave.” (Adam, born in Connecticut)
(John Steinbeck, East of Eden)

In the ‘it is, or there is’ construction, relative pronouns can be omitted, says my Korean grammar book. By the way, for the second, is it the regional dialect?

“I guess it was Cal asked Lee.” (Aron, born in California)
. . . . . .
“That’s a smell could raise me out of a concrete grave.” (Adam, born in Connecticut)
(John Steinbeck, East of Eden)

In the ‘it is’ or ‘there is’ constructions, relative pronouns can be omitted, says my Korean grammar book. In this context, is the second sentence an example of regional dialect?