It means a "Public House"
"Ch" on an Ordnance Survey map typically stands for "church." It marks the location of a church or a place of worship on the map.
It refers to a Pump or Pump house
On an Ordnance Survey map, a waterfall is represented by a blue triangle pointing downward. This symbol indicates the location of the waterfall within the landscape. Additionally, the surrounding water features may also be marked with blue lines to represent rivers or streams.
On an Ordnance Survey map, a small black triangle represents a zoo. This symbol is used to denote the location of a zoo within the map area, making it easily identifiable for users. The black triangle is a standardized symbol used by Ordnance Survey to represent zoos across their maps for consistency and clarity.
TH on an Ordnance Survey map typically stands for "telegraph" or "telegraph pole." It is used to symbolize the location of a telegraph pole or other telecommunication infrastructure on the map.
It is a nature reserve.
Alley
There are many places where one can find an ordnance survey map. One looking to find an ordnance survey map should visit the official Ordnance Survey website and click the 'Get a Map' link.
"Ch" on an Ordnance Survey map typically stands for "church." It marks the location of a church or a place of worship on the map.
A small orange rectangle or square with no border around it
I wonder, which map the question originator is looking at? On Ordnance Survey maps symbol guides, there is no RED STAR. There is however a blue star meaning: Other Tourist Feature.
It refers to a Pump or Pump house
For Great Britain, have a look at http://www.ordnancesurvey.co.uk/oswebsite/education/pdf/25kenglishlegend08.pdf
On an Ordnance Survey map, a waterfall is represented by a blue triangle pointing downward. This symbol indicates the location of the waterfall within the landscape. Additionally, the surrounding water features may also be marked with blue lines to represent rivers or streams.
FC relates to 'Forestry Commission' therefore a green shape with the letters 'FC' on an ordnance survey map means 'Forest or woodland'.
An elephant symbol on an Ordnance Survey map typically represents a zoo or wildlife park where elephants are kept. It is used to indicate the location of the facility for visitors or those interested in wildlife attractions.
Ordnance Survey