Map of the goldfields in the Pretoria and Heidelberg areas showing farm boundaries, farm names, property numbers, some owners' names, rivers, unsurveyed lands and hills and mountains, as well as the northern portion of the Orange Free State and the surrounding districts of Rustenberg, Heidelberg and Standerton. The map includes a table of distances by F. Jeppe and an index of mining leases furnished by J.J. Meintjes, Registrar of Deeds., Relief shown by hachures., "The blue border represents the Pretoria District line. All farms on which payable gold has been discovered have been marked with a coloured border, and the small plots equally coloured represent the mining leases granted by Government. I, the undersigned G.R. von Wielligh, Surveyor General of the South African Republic hereby certify that I have examined this compilation and found it correct. [Signed] G.R. Wielligh, Surveyor General's Office, Pretoria, 20th Feby. 1887.", Inset: Plan shewing the proclaimed area at the Witwatersrand and the position of the principal reefs.