Robert L. Turner

1937

• Analytical results and sample locality map of stream-sediment, panned-concentrate, and mesquite samples from the Los Tamales area, San Juan quadrangle, northern Sonora, Mexico
• Analytical results and sample locality map of stream-sediment, panned-concentrate, and mesquite samples from the Los Tamales area, San Juan quadrangle, northern Sonora, Mexico
• Analytical results and sample locality maps of stream sediment, panned-concentrate, soil and drill core samples from the Agua Caliente study area, El Correo quadrangle, northern Sonora, Mexico
• Analytical results and sample locality maps of stream sediment, panned-concentrate, soil and drill core samples from the Agua Caliente study area, El Correo quadrangle, northern Sonora, Mexico
• Analytical results and sample locality maps of stream-sediment and soil samples from the Tio Flaco study area, El Correo quadrangle, northern Sonora, Mexico
• Analytical results and sample locality maps of stream-sediment and soil samples from the Tio Flaco study area, El Correo quadrangle, northern Sonora, Mexico