Mr. Physics: rock face
Mr. Physics: MSS_0239
Mr. Physics: MSS_0241
Mr. Physics: MSS_0247
Mr. Physics: MSS_0258
Mr. Physics: Yosemite river bed
Mr. Physics: MSS_0270
Mr. Physics: Yosemite mountain view
Mr. Physics: Yosemite river from car
Mr. Physics: MSS_0304
Mr. Physics: MSS_0311
Mr. Physics: MSS_0318
Mr. Physics: MSS_0319
Mr. Physics: MSS_0323
Mr. Physics: MSS_0325
Mr. Physics: El Capitan, Yosemite
Mr. Physics: MSS_0361
Mr. Physics: MSS_0368
Mr. Physics: MSS_0377
Mr. Physics: MSS_0379
Mr. Physics: 0385 BW
Mr. Physics: MSS_0393
Mr. Physics: MSS_0396
Mr. Physics: MSS_0400
Mr. Physics: MSS_0415
Mr. Physics: MSS_0423
Mr. Physics: MSS_0437
Mr. Physics: MSS_0450