(1) Together with Frederick Murray Trotter and others he helped create new maps and memoirs of the districts of Brampton , Whitehaven , Gosforth and Cockermouth in Cumberland .
(2) Together with Frederick Murray Trotter and others , he helped create new maps and memoirs of Brampton , Whitehaven , Cumberland , Gosforth , and Cockermouth .

Do these two sentences mean the same thing?

Pick from: (a). no. (b). yes.
(a).