Proceed to GeoCommunity Home Page

SpatialNewsGIS Data DepotGeoImaging ChannelGIS and MappingSoftwareGIS JobsGeoBids-RFPsGeoCommunity MarketplaceGIS Event Listings
HomeLoginAccountsAboutContactAdvertiseSearchFAQsForumsCartFree Newsletter

Sponsored by:

Today's News

Submit News

Feature Articles

Product Reviews


News Affiliates



Email Lists


Editor's Corner

SpatialNews Daily Newswire!
Subscribe now!

Latest Industry Headlines
Romanian Surveying Company Uses SuperGIS Desktop
MAPPS Announces Judges for Ninth Annual Geospatial Products and Services Excellence Awards
Gateway to Maps for Europe Takes Centre Stage at European Commission
Applying the New UK Risk Assessment Approach to Dams in Japan
RIEGL to Attend AU Las Vegas 2015

Latest GeoBids-RFPs
GPS/GIS Redesign-KS
Mapping Services*written in FR
Digital Mapping*written in French
Rural Areas Mapping*Germany
Cadastral Surveying*Written in LT

Recent Job Opportunities
GIS Programmer - Software Engineer I/II for NOAA NWS IDP

Recent Discussions
shapefile of Atlantic Ocean
Modifying existing ArcGIS tools
vicinity maps for cad plans
.GZ File Viewing

GeoCommunity Mailing List
Mailing List Archives

Subject: [gislist] USGS Topos - Blue Line Stream Designations
Date:  05/29/2007 05:58:37 PM
From:  A'Hearn, William

Does anyone know what is (was?) the criteria used by USGS to delineate a "B=
LUE-LINE" stream on USGS topo maps? We have searched through USGS's websit=
e and Googled it to no avail. =

Thanks in advance,

-- Bill A'Hearn =

=D8 =D8 =D8 =D8 =D8 =D8 =D8 =D8 =D8 =D8 =D8
Bill A'Hearn, LSIT =

GIS Analyst/Mapping Specialist
PW Engineering
Mapping & GIS Services =

City of Glendale, CA
Latitude: 34=BA 8' 48"N - Longitude: 118=BA 14' 49"W - Elev: 565'
=D8 =D8 =D8 =D8 =D8 =D8 =D8 =D8 =D8 =D8 =D8
"The good cartographer is both a scientist and an artist.=A0 He must have a=
thorough knowledge of his subject and model, the Earth.... He must have th=
e ability to generalize intelligently and to make a right selection of the =
features to show. These are represented by means of lines or colors: and th=
e effective use of lines or colors requires more than knowledge of the subj=
ect - it requires artistic judgment."=A0=A0 Erwin Josephus Raisz (1893-1968=

gislist mailing list

This list is brought to you by
The GeoCommunity

Sponsored by:

For information
advertising rates
Click Here!

Copyright© 1995-2014 MindSites Group / Privacy Policy

GeoCommunity™, Wireless Developer Network™, GIS Data Depot®, and Spatial News™
including all logos and other service marks
are registered trademarks and trade communities of
MindSites Group