Sun shading (lidar)

Adjust simulated sun direction on the lidar hillshade. Azimuth = compass bearing of the light (0° north, 90° east). Altitude = height above the horizon (low = long shadows).

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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Civil War Charleston Harbor Sunken Bullion

Lost Treasure SC • Charleston County County
Description
Charleston Harbor legend of Confederate gold and silver lost in blockade-runner sinkings and hurried burials during the 1861–1865 siege — when the city was the Confederacy's most defended port.
Historical Notes
Charleston endured the longest sustained campaign of the Civil War. Blockade runners carried gold and supplies through Fort Sumter's gauntlet; sinkings and Union capture left payroll specie unaccounted. George Trenholm's Fraser & Company and harbor fortifications moved vast wealth; folklore adds strongboxes buried along the Battery and James Island before Sherman's march threatened the coast. Harbor dredging and metal detecting occasionally recover Civil War coins, sustaining legends of larger submerged caches near Morris Island and the harbor channel.
Status / Verification legend — Legendary or approximate

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