Infra-red view of Red Mtn and U.S. Hwy 40 near Berthoud Pass

Front:
INFA-RED VIEW OF KED MiN AND U.S Hwy 0 NEAR BERTHOUD Pss,Coso.

Back:
Sun Sepr o Hi! UNITED STAIES POSTAGE Wane n aR Faae wnth Gud ear 1948 GEORGE WASHINGTON 789- COLO EXCE CENT ADDRESS roall ellay. Um wutng thi at the ehiirmal mu&nae & m 1315 % Central OLuluth Oanide Heae LeoRar lostimg mte actiuolly dow mnnieta Harwe