Title: Atlas to accompany monograph XXXI on the geology of the Aspen District, Colorado
Year: 1898 (1890s)
Authors: Spurr, Josiah Edward, 1870-1950 Spurr, Josiah Edward, 1870-1950. Geology of the Aspen mining district, Colorado Geological Survey (U.S.)
Subjects: Geology
Publisher: Washington : U.S. Geological Survey
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
drift of the valleys is given a separata coloring [n the 800-fool a hi U id-\ rmation is not subdivided, but is represented by a Ingl coloi and the faull separating the subdivisions is omitted, as me also a number of the smaller faults which are shown on thelarger-scale map- but the superficial drift in the valleys is shown. In the Aspen District map. again, much of the detail shown on the 800-foot maps is eliminated ; many of the minor faults arc omitted and the str ... I he i ho , I, of clearness ; and on this map the superficial drift of thi an, .. is omitted and the underlying roi a.1 < hown i uaU ppingatthe surface, thus »u ing a con :ted ah-a of the general ecology o| I !,: oppression of detail in proportion to the scale used is earned out in the sections. All sections arc made with the vertical scale the same a thi horizontal; and they arc alwaj - draw o looking toward the north and east, Full explanations of thi maps and actions will he found in the text of the monograph,
Text Appearing After Image:
ASPEN DISTRICTatlastoaccompany00spur

Note About Images