Subjects: W 128⁰--W 96⁰/N 56⁰--N 39⁰; G 4125 1838 .P36; Northwestern States -- Discovery and exploration -- MapsScale [ca. 1:5; 000]
Record details
Subjects: (W 134⁰--W 102⁰/N 55⁰--N 39⁰); G 4240 1841 .W55; Columbia River -- Discovery and exploration -- MapsScale [ca. 1:3; 000]