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
center: —   mouse: —   zoom:

James Silverwood Seven Islands Gold

Lost Treasure PA • Northumberland County County
Description
Northumberland County legend of James Silverwood, the "Master of the Seven Islands," burying a large gold cache near his Susquehanna River home.
Historical Notes
The Seven Islands lie in the Susquehanna River near Sunbury in Northumberland County. Compiled guides credit Silverwood with concealing a substantial gold hoard near his river estate. The tale anchors the county to Susquehanna island lore alongside Blue Hill hermit gold traditions.
Status / Verification legend — Legendary or approximate

Take Add Data / Take Notes

Log in or create an account to save private field notes for this location. Your notes are only visible to you.

Forgot password?

Enter your email and we'll send you a link to reset your password.

Back to log in