Geir Mathisen

Engineering Geologist with County of Los Angeles Department of Public Works - Development Review Unit

[Geir Mathisen @DPWGeirMathisen]

#LACountyPublicWorks Yonah Halpern with #GMED at rough grade inspection in Malibu for @LAPublicWorks

[Geir Mathisen @DPWGeirMathisen]

#LACountyPublicWorks #Geologists evaluating debris flow hazards and site stability in Kagel Canyon. @LAPublicWorks

[USGS @USGS]

Happy Richter Scale Day. https://t.co/OEcbyKHUfN

[AGU (American Geophysical Union) @theAGU]

Liuliao Village, China: a rockfall strikes a crowded school
https://t.co/aykNLaqZOP by @davepetley #AGUblogs @AGU_Eos

[LA County Public Works @LACoPublicWorks]

The Palmdale hills near Lake Elizabeth are bursting with color, thanks to recent #LArain
🌼🌷🌾🌸

[USGS Store @USGSstore]

Its #FreeMapMonday! Retweet this tweet/follow for a chance to win Geology of the solar system #USGSstore #MARS

[Geir Mathisen @DPWGeirMathisen]

Amazing video of #debrisflow #geology https://t.co/la1turA0e8

[Geir Mathisen @DPWGeirMathisen]

Coastal erosion in action. Stunning drone footage: https://t.co/A9CNl7ZmPW

[Geir Mathisen @DPWGeirMathisen]

GMED crews inspecting building pads in the Santa Monica Mountains for site stability.

[Geir Mathisen @DPWGeirMathisen]

Inspection of an abandoned surface mine at Del Sur Ridge Bouquet Canyon

[Geir Mathisen @DPWGeirMathisen]

Engineering Geologists #GMED on site reconnaissance in the Santa Monica Mountains

[Geir Mathisen @DPWGeirMathisen]

Rough grading inspection in the Santa Susana Mountains #GMED @LACoDevServices

[Geir Mathisen @DPWGeirMathisen]

Antelope Valley Solar Ranch photovoltaic project. @LACoDevServices http://t.co/5SK0AzS04U #renewableenergy

[Geir Mathisen @DPWGeirMathisen]

California #drought. Castaic Lake is shrinking. No #LARain