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Historical map overlays

USGS scanned historical topographic maps. Enable an overlay and adjust its opacity. Works in 2D and 3D.

Sun azimuth: 315°   Sun altitude: 45°   Z factor: 1   Lidar opacity: 1
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Simpsonville — Howard County

Gold Mining Site MD • Howard County County
Description
Near Simpsonville, you will find the Maryland Mine. It was once the richest gold property in Maryand. It produced gold in quartz veins with silver and pyrite.
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Mike Higbee / 49erMike). Author: Tom Ashworth. Original page: howard_md.shtml. State index: https://web.archive.org/web/20040830075749/http://www.tomashworth.com/goldloc.shtml Area: Simpsonville. Map coordinates are an approximate county centroid — not a precise claim site. Near Simpsonville, you will find the Maryland Mine. It was once the richest gold property in Maryand. It produced gold in quartz veins with silver and pyrite.
Status / Verification historical_site — Legendary or approximate

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