\begin{tabular}{l} Samples of this drawing medium date back to 30,000 BCE. \\ color pencil \\ silverpoint \\ pencil \\ pastel \\ \hline\end{tabular}

The problem presents a list of drawing mediums and mentions that samples date back to 30,000 BCE. However, it does not pose a specific question or problem to solve. If you are looking for information about which of these drawing mediums dates back to that time, I can provide some insights: 1. **Color Pencil**: This medium was developed much later, around the 16th century. 2. **Silverpoint**: This technique was used during the Renaissance, but it is not as ancient as 30,000 BCE. 3. **Pencil**: The modern pencil was invented in the 16th century, although graphite was used in earlier forms. 4. **Pastel**: This medium became popular in the 18th century. Based on historical evidence, none of these mediums can be traced back to 30,000 BCE. The earliest known drawing mediums from that time would likely include ochre and charcoal, used by prehistoric humans for cave paintings. If you have a specific question or need further information, please let me know!