Time: will vary;   This link takes you to the MN NRCS engineering page, under Resources and CAD.  This page contains 7 quick reference guides (pdf) related to GPS and Total Station survey procedures including NRCS standardized point codes.

Subject
Advanced Tech Skills (Matrix)
Skill
Surveying
Format
Reference Material
Source

NRCS

Training Type
Online Learning
Notes

Links to NRCS online quick reference pdfs