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:

Des Moines River — Gold Locations In Mahaska County

Gold Mining Site IA • Gold Locations In Mahaska County County
Description
Fine gold and some flake has been found near the Pella-Harvey bridge that spans the Des Moines River just North of Harvey. River is rip-rapped with old boxcars on North bank at site. Fine gold found in sand layer in river banks on South side and in main channel, if you can get through overburden.
Historical Notes
Source: Tom Ashworth's Prospectors Cache (tomashworth.com / Mike Higbee / 49erMike). Author: Tom Ashworth. Original page: mahaska_iw.shtml. State index: https://web.archive.org/web/20040830075749/http://www.tomashworth.com/goldloc.shtml Area: Des Moines River. Map coordinates are an approximate county centroid — not a precise claim site. Fine gold and some flake has been found near the Pella-Harvey bridge that spans the Des Moines River just North of Harvey. River is rip-rapped with old boxcars on North bank at site. Fine gold found in sand layer in river banks on South side and in main channel, if you can get through overburden.
Status / Verification historical_site — 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