RALPH 10HB - Marriottsville, MD
Posted by: Groundspeak Premium Member NCPositronics
N 39° 18.987 W 076° 53.942
18S E 336288 N 4353613
A Howard County, MD, survey mark in the ground at the southwest corner of Maryland Route 99 and Marriottsville Road.
Waymark Code: WM10HH8
Location: Maryland, United States
Date Posted: 05/10/2019
Published By:Groundspeak Premium Member Ernmark
Views: 4
Download this waymark:
.GPX File
.LOC File
.KML File (Google Earth)

Survey control is a brass disk marked 'RALPH 10HB', approximately 5 feet west of the edge of Marriottsville Road and 10 feet south of Maryland Route 99 (Old Frederick Road). It is east of the edge of the parking lot for Dunkin Donuts.


Mark is undocumented on either the geocaching.com web site or the National Geodetic Survey web site. It is documented on the Howard county Department of Public Works web site.
Condition: Mark found in good condition

Designation: RALPH 10HB

Benchmark Agency: other (not included below)

Benchmark Agency (if other): Howard County (MD) Department of Public Works Survey Division

Monumentation type: Control Monument, Survey Control, Control Survey

County: Marriottsville, Howard County, Maryland

Find type: Coordinates and/or to-reach information from an online local database were used

Web address of this benchmark's datasheet (optional): [Web Link]

Local database's URL (optional): [Web Link]

Monumentation type (if other): Not listed

USGS 7.5' Topographic Quadrangle Name (optional): Not listed

Special category (optional): Not listed

Special Category (if other): Not listed

NGS PID: Not listed
Visit Instructions:
  1. A closeup photo of the mark taken by you is required.
  2. A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.
Search for...
Geocaching.com Google Map
Google Maps
MapQuest
Bing Maps
Nearest Waymarks
Nearest U.S. Benchmarks
Nearest Geocaches
Create a scavenger hunt using this waymark as the center point
Recent Visits/Logs:
Date Logged Log User Rating  
Searcher28 visited RALPH 10HB - Marriottsville, MD 05/17/2019 Searcher28 visited it
NCPositronics visited RALPH 10HB - Marriottsville, MD 05/10/2019 NCPositronics visited it

View all visits/logs