Wilfred Caswell was the engineer assigned to the construction train for the Harrison extension in 1898 .
His son , Wilfred H. Caswell , was born in 1876 and shared his father 's mechanical aptitude .
Wilfred H. Caswell   was the Wilfred H. Caswell assigned to the construction train for the Harrison extension in 1898 .
His son , Wilfred H. Caswell , was born in 1876 and shared his father 's mechanical aptitude .