2000 - "...I appreciate your accuracy and honest attention to the ore samples I have sent you." M.W., Oregon.

1987 - "I want to thank you for the prompt fire assay and spectrographic report that you performed for me just a week ago. I had several different firms provide similar services on several different property ore samples during the same time period. The level of service and the professional manner that your firm reported the ore samples finding is above average...Thank you again for the quality of work that your firm provided to me. It is nice to receive quality service and value, a rare commodity." - D.D., Texas

1988 - "Thanks for getting my last report back as fast as you do...Thanks for doing a good job all these years." D.S., California.

1988 - "...Thank you for your professional and prompt assistance." - D.D., Texas.

1975 - "Thank you for your good service." - R.C., Texas.

1999 - "Thanks for faxing the spec result...You hit Pt. and Fe., the principle elements sought for confirmation, right on the money..." Dr. R.P. , Mining Engineer, California.

1960 - "I like the way you handled the ferrous groups I mailed to you." R.M, California.

1975 - "We heard you were the best." - L.W., Kansas.

2016 - "Good lab." - M.W., Oregon.

1976 - "We sent an ore shipment to ASARCO and their gold assay was within 5 cents per ton of yours." - D.H., Arizona.

1955 - "Mr. D.C. of El Cajon was the one who told me about you and he speaks very highly of you and your firm." - D.B., California.

1970 - "I appreciate very much your fine service in the past while I was in New Mexico." A.N., Consulting Geologist, Washington, D.C.

1968 - "Received your prompt assay report and am very well satisfied with the results." S.E., Alaska.

1971 - "You were highly recommended to me for your efficient and fast service by Mr. C.D. of Las Vegas...I like the type of report he receives from you." G.B, Nevada.

1969 - "Your usual prompt service will be greatly appreciated." H.T., Spokane National Mines.

1970 - "We wish to thank you for the spectrograhic analysis..." SD Bureau of Mines, California.

1969 - "Thank you kindly." A.E., Colombia, South America.

1969 - "Thank you for the spectrographic analysis..." M.R., Nevada.

1969 - "I sent some to one of the companies making a living producing Potash and their tests checked along with yours." - J.M., Texas.

1969 - "...your excellent service is appreciated." - R.F., California.

1969 - " I want to thank you for your recent letter giving so much information on Lithium..." - J.M., Texas.

1968 - "I have been told that your organization is one of the most reliable in the country." - T.K., Arizona.

1968 - "I was satisfied with your report...as it gives me a base to work from." - M.R., Arizona.

1968 - "We do appreciate receiving report so soon." - Mr. A, California.

1970 - "I got information about the activities of your company from the California Mining Journal..." Dr. M.P., Bombay, India.

1970 - "I want to thank you for your good judgement not to run the last sample for silver..." - D.K., Wisconsin.

1958 - "We saw your ad in the California Mining Journal and you were recommended by Mr. D.N. of S.S. Company of Montana." - J.E., Montana.