From 1929 Trackchart:
2.30% Pagosa Jct 390.29 to Altura 402.84
+2.21% Artura to Hall 405.58 and also -3.60%
-1.39 Hall to Dyke 407.47
+3.00 Dyke to no station 413.5 plus -0.40
+3.00 413.5 to Sunetha 416.31 includes -1.10 from 415.8 to Sunetha
+1.2 Sunetha to Pagosa Springs 421.14 that included -2.80 most of sec.
There were many logging branches off this line, and two extending through PS north and northeast. The big sawmill was south P.S. where the ball field is now located. Sanborn maps show this mill.
This was the first line west of Alamosa that was graded for Standard Gauge track but build narrow gauge.
You can develop a profile from the USGS maps by using Dave Dye website and see the location of this trackage on the topographical map.
The rail to Dyle was 52# laid 1926-1928, still 30# original 1900 rail Dyke to 419.54 where some 57# to 421.06 replaced it in 1928