SURVEY OF LITTLE BOQUILLAS RANCH
JANUARY 2023
THE FOLLOWING DOCUMENT IS A RESEARCH AND OBSERVATION BASED SURVEY OF THE LITTLE BOQUILLAS RANCH HEADQUARTERS ALONG THE SAN PEDRO RIVER.
All images copyright to Hallie Letsinger
SECTION A
HISTORIC FLOWS
SECTION B
ACTIVE RIVER CHANNEL
BOUNDARY THAT THE CURRENT RIVER STREAM MEANDERS THROUGH AND IS THE FIRST TO BE SUBMERGED IN A FLOOD
HISTORICAL RIVER TERRACE, AND FLOOD DEPOSITS
CHANNEL ASSOCIATED WITH ARROYO CUTTING EVENTS AND DEPOSITS THAT HAVE ACCUMULATED OVER TIME
HOLOCENE TO EARLY HISTORY RIVER TERRACE DEPOSITS
FLOODPLAIN THAT EXISTED PRIOR TO 1860-1940 ARROYO CUTTING WITH TRACES OF HISTORICAL MEADER OF RIVER.
PLEISTOCENE RIVER TERRACE DEPOSITS
SURFACE BASED SPECULATION OF PLEISTOCENE RIVER FLOOD PLAIN
01 - HISTORIC FLOW
Mapping Adapted From Ferguson, C.A., Shipman, T.C., Pearthree, P.A., Moore, E.N., Richard, S M., Spencer, J.E., Youberg, A., Cook, J.P., and Haddad, D.E., 2018, Geologic Map of the Fairbank 7½' Quadrangle, Cochise County, Arizona: Arizona Geological Survey Digital Geologic Map 50 (DGM- 50), version 3.0, 1 sheet, layout scale
02 - FLORA
Mapping Adapted From San Pedro Riparian National Conservation Area Record of Decision and Approved Resource Management Plan (2019)
03 - SOIL COMPOSITION
Mapping Adapted From: Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. Web Soil Survey. Available online at https://websoilsurvey.nrcs.usda.gov/ Accessed [month/day/year].
