The layout at a glance:

Name: The Rio Chama & Northern Railroad Company
Scale: HO (1:87)
Size: 14" x 15"
Theme: Class 1 (UP, D&RGW, SP, AT&SF, T&P) / Class 47 (Rio Chama & Northern, Rio Chama & Southern, Rio Chama Lumber)
Locale: Rocky Mountains, San Juan Mountains - Colorado, New Maexico, Utah
Era: 1950s
Layout style: partially modular
Scenery construction: plaster on Styrofoam
Layout height: 44 - 55 inches
Benchwork: IKEA Sten/Gorm
Roadbed: rubber/cork on plywood
Maximum grade: 3,5 %
Length of mainline run: approx. 160 ft.
Track: Maerklin K (visible) - Maerklin c (hidden)
Minimum curve radius: 22' (on visible track)
Backdrop: wall
Control: Maerklin Systems

Drone pictures

...not a lot of space for scenery and buildings...

Photos from construction / Bilder vom Bau

a new staging area - neue Abstellgleise...

...for a couple of F7's - für einige F7