Santa Fe is located at 36N and 106W
Latitude: 23.634501° Longitude: -102.552784°
Longitude lines run north to south of the Earth. Latitude lines run east to west of the Earth. (You can remember which is which by thinking of Santa Clause: LONGatude is up and down and FATatitude is across.)
35.5 North, 106 West
lines of latitude
latitude?
The center of Mexico City is located at 19.42° north latitude 99.13° west longitude. Would you ask someone "What line on the ruler is closest to your height ?" I'm guessing you'd ask him "How tall are you ?" Forget about "lines". There is no standard set of of latitude and longitude lines from which you have to choose one that's somewhere close.
Each 'meridian' is a line of constant longitude.
Every meridian of longitude is perpendicular to every parallel of latitude, and every parallel of latitude is perpendicular to every meridian of longitude.
Latitude.
Latitude and longitude
The lines that intercept latitude lines are lines of longitude.
Every parallel of latitude crosses every meridian of longitude.